by Andrew Marshall and Ryan Jordan

Introduction

The Tarptent Dipole 1 Li (22 to 23 ounces / 0.62 to 0.65 kg, MSRP: ~$699) and Tarptent Dipole 2 Li (26 to 27 ounces 0.74 to 0.77 kg, MSRP: ~$799) are both modified A-frame, double-trekking-pole, double-vestibule, double-door, side-entry, single-wall, Dyneema Composite Fabric (DCF) shelters.

The Tarptent Dipole 2 Li in the Tahoe Basin, CA. Photo: Andrew Marshall.
The Tarptent Dipole 2 Li in the Tahoe Basin, CA. Photo: Andrew Marshall.

The Dipole line represents a continuation of Tarptent’s use of supplemental poles (i.e., extra poles in addition to the trekking poles) to add volume and support to trekking-pole shelters. Dipole tents have several features that make them unique among two-pole, double-door shelters:

  • they can maintain a stable structure with four stakes
  • they can maintain a stable structure while both vestibule doors are open and the shelter is in a four-stake configuration
  • they feature collapsible, removable, 21-inch (53 cm) carbon fiber struts at the head and foot that add a noticeable amount of interior livable volume while supporting the tent structure (and allowing the first two points above to be a reality)

Watch the Video

Watch Ryan Jordan’s video review and tour of the Tarptent Dipole 1 Li and Dipole 2 Li:

YouTube video

This is a first look at new gear that recently entered our review pipeline, and hasn't yet been subjected to rigorous field use. Learn more about the types of product reviews we publish.

Highlights

  • weight*: Tarptent Dipole 1 Li – 22.6 ounces / 0.64 kg (*pre-production prototype)
  • weight*: Tarptent Dipole 2 Li – 26.3 ounces / 0.75 kg (*pre-production prototype)
  • can maintain a stable structure in mild weather with four stakes
  • vestibule doors are not part of the structure (both doors can be open at the same time without losing tension/stability)
  • 21-inch volumizing end struts (Easton 3.9 carbon fiber) create large amounts of interior livable volume
  • end struts are removable and collapsible to 13 inches (two-section, shock-cord connected)
  • vestibules are 17 inches (43 cm) deep, expandable with an optional line from lower zipper pull tab to apex guyline stake (Tarptent includes hardware and guyline to accomplish this)
  • Dipole 1 Li apex height: 43 inches (109 cm)
  • Dipole 2 Li apex height: 45 inches (114 cm)
  • Dipole 1 Li width x length: 36 x 84 inches (91 x 213 cm)
  • Dipole 2 Li width x length: 58 x 88 inches (147 x 224 cm)
  • single-wall design with condensation drain vents
  • canopy/fly material: Dyneema Composite Fabric CT1E0.8, 0.55 oz/yd2
  • floor material: Dyneema Composite Fabric CT2K.18, 1 oz/yd2
  • zipper-type – canopy – YKK #3 AquaGuard
  • zipper-type – interior mesh – YKK #3 coil
  • catenary curved ridgeline
  • mesh panel on either end, backed by a sil-poly panel that can be opened and closed from inside the tent for ventilation/weather protection
  • Dipole 1 Li fits one long/wide pads and users up to 6 feet 8 inches (203 cm)
  • Dipole 2 Li fits two long/wide pads and users up to 6 feet 10 inches (208 cm)
    a medium shot of the Tarptent Dipole in a field.
    A Tarptent Dipole 1 Li in the Colorado Rockies. Photo: Ryan Jordan.

Testing context

We tested the Tarptent Dipole 1 Li and Dipole 2 Li on three below-the-treeline overnight treks in June of 2022 in the Sierra Nevada and Colorado Rockies. Both shelters were subjected to light wind (with gusts up to 10 to 20 mph) and moderate-to-heavy rain. We were interested in getting initial impressions on ease of setup, livability, structural integrity, condensation resistance, and weather protection.

a Tarptent Dipole small in the frame with a mountain overhead.
Testing the Tarptent Dipole 1 Li in Colorado. Photo: Ryan Jordan.

Test samples vs. final product

The samples that we tested are late-stage prototypes. Tarptent is still making adjustments to the Tarptent Dipole 1 Li and Dipole 2 Li, and some of the features visible in the photos in this article will be changed by the time the product gets into consumers’ hands. Currently, changes will include:

  • very small pattern edits on the vestibules to tighten them up at the hem, especially on the Dipole 2 Li
  • larger apex pole cap reinforcements
  • top of the mesh reinforcement that is currently black ballistic nylon will also be changed to the lighter 210D w/Dyneema grid
  • wider interior stow pockets
  • the MSRPs listed above are estimates
Known changes to the Tarptent Dipole 1 and 2. Photo: Tarptent
Changes to the Tarptent Dipole 1 Li and Dipole 2 Li that will be incorporated into production models include a larger pole cap and wider interior pocket. Photo: Tarptent.

First impressions

Setup and structure

The Tarptent Dipole 1 Li and Dipole 2 Li have a rectangular footprint, which makes site selection easy – certainly easier than site selection is for the Stratospire Li or ProTrail Li (non-rectangular shelters).

Setup is simple (for a trekking-pole supported shelter) but the order of operations is important – watch the video above for a setup demonstration.

Setup instructions:

  1. Insert the end struts.
  2. Stake the two corners of one end of the tent to bring tension to the fly edges between the top of the strut and the stakeout point.
  3. Repeat for the other end, ensuring a rectangular configuration that brings tension to the vestibule door bottom edges.
  4. Unzip one vestibule zipper from the top, insert a trekking pole (tip up) – 43 inches (109 cm) for the Tarptent Dipole 1 Li and 45 inches (114 cm) for the Tarptent Dipole 2 Li. Zip up the zipper.
  5. Repeat – insert the second trekking pole into the opposite vestibule.
  6. Reset corner tent stakes as needed so they are parallel with the corner seams (i.e., 45-degree angle off the parallel lines of the tent bottom edges).*
  7. Make sure the bottoms of the end struts are inset slightly relative to the tops, to ensure that downward falling rain doesn’t enter the end vents.
  8. Tighten the corner guylines.
  9. Tighten the guylines at the tops of the struts – this step brings the entire tent into a final state of tension. At this point, minor adjustments to pole height and position, corner tension, and corner stake location may be necessary to bring the tent into a taut stake if camping on uneven ground with minor irregularities.

*Tarptent recommends a 45-degree angle for the corner stakes (i.e., the guylines should be parallel to the corner seams). We found that a slightly wider than 45-degree angle works best for creating tension along the edges at the ends of the shelter. The photo below illustrates a pitch on uneven ground that hews very closely to the 45-degree guyline recommendation.

Note just a slight amount of slack on one of the end edges – so slight that I (Andrew) didn’t notice it until I was reviewing my photos. Adjusting the angle of the corner stakes to be slightly wider solved this issue in Ryan’s pitches (as noted in the video above).

a medium-wide shot of the dipole 2
A slightly floppy end fly top edge (back left) was the result of experimenting with different setup techniques/processes. Like all trekking-pole-supported shelters, it takes a few setups to get the Tarptent Dipole 2 Li totally dialed in. See the text for our recommended setup step order. Photo: Andrew Marshall.

The tension created by the end struts and their triangular guyline system allows the Tarptent Dipole 1 Li and Dipole 2 Li to maintain a stable four-stake pitch that does not incorporate the doors as a load-bearing element. The upshot is that both vestibule doors can be open and rolled back without losing tension.

We experienced moderate rain and light wind below treeline in our testing, and are confident that the Tarptent Dipole 1 Li and Dipole 2 Li can handle those conditions without collapsing or letting in water. In heavy weather, four additional stakes and guylines can be deployed – two along the axis of the ridgeline and two running from the end struts. The symmetrical nature of the tension forces in the Dipole shelters is a real strength of the design (see our email interview with Henry Shires at the bottom of this article for more on this).

Livability and interior volume

There are several other features that we’ll explore more fully as we continue to review the Tarptent Dipole 1 Li and Dipole 2 Li:

  • vestibule size and depth
  • vent placement and design
  • condensation drain placement and design
  • end vent/window design and stormworthiness
  • packed size and packability
  • trekking-pole placement in terms of livability
  • performance and stability in high winds/heavy rain/under snow load
  • inner mesh door size and placement

Ryan touches on these performance issues in the video above.

But in this First Looks review, we are concentrating on the two features that stood out the most in our initial handling of the Tarptent Dipole 1 Li and Dipole 2 Li. The first was the four-stake design that allows both vestibule doors to be open without losing tension.

The second standout feature is the livable interior volume present in both shelters. The ends of the shelter are 21 inches (53 cm) tall – tall enough that feet will not rub against the shelter ceiling when sleeping pads inevitably slide down towards the end of the tent. The width and length are both designed to accommodate larger hikers. We are not tall (Andrew is five feet six inches and Ryan is five feet seven inches) but we are confident that Tarptent’s claim of comfort for backpackers six feet eight inches and over is not an exaggeration.

We believe that the Tarptent Dipole 1 Li and Dipole 2 Li are the roomiest trekking-pole-supported shelters for their weight that we’ve ever tested.

Comparisons

This is not a comprehensive comparison – that will have to wait until we can put the Tarptent Dipole series through long-term field testing. The purpose of this comparison is to help place the Tarptent Dipole 1 Li and Dipole 2 Li (specifically the Dipole 2 Li) within the category of two-pole, two-door, single-wall, Dyneema Composite Fabric shelters. No shelter in this comparison has the end struts and correspondingly totally vertical end panels of the Tarptent Dipole 2 Li, so we won’t waste time repeating that in every comparison.

Another noteworthy thing about the Tarptent Dipole 1 and 2 is that both shelters feature a slightly hourglass-shaped bathtub floor. In the specs above, we list the bathtub floor dimensions as follows:

  • Dipole 1 Li width x length: 36 x 84 inches (91 x 213 cm)
  • Dipole 2 Li width x length: 58 x 88 inches (147 x 224 cm)

But in fact, the Dipole 2 Li narrows slightly in the center to 50 inches (127 cm) and the Dipole 1 Li narrows in the center to 28 inches (71 cm).

Readers are encouraged to elaborate further on the differences and similarities between all four shelters in this comparison – and the pros and cons of each – in the comments section.

Tarptent Dipole 2 Li vs. Durston Gear X-Mid Pro 2

The Durston Gear X-Mid Pro 2 is the only other two-person, two-pole, double-pole, double-door, single-wall shelter currently on the market that is claimed to be pitched with a minimum of four stakes. (Another one is the Sierra Designs High Route 1 but that’s a one-person shelter.)

The Durston Gear X-Mid Pro 2’s floor footprint is slightly longer than the Tarptent Dipole 2 Li – 90 inches (229 cm) for the X-Mid Pro 2 vs. 88 inches (224 cm) for the Dipole 2 Li. But the Tarptent Dipole 2 Li is significantly wider at 58 inches (147 cm) at the ends and 50 inches (127 cm) at the middle vs. the X-Mid Pro 2’s 48 inches (122 cm). The final weight of the Dipole 2 Li is still pending, but the Durston X-Mid Pro 2 is likely to be ~5 ounces (142 g) lighter than the Dipole 2 Li. The Dipole 2 Li easily fits two long/wide (25 inches / 64 cm) sleeping pads – this is not possible in the X-Mid Pro 2 without deforming the shape of the inner tent.

The Durston Gear X-Mid Pro 2 is ~$100 cheaper than the Tarptent Dipole 2 Li. There are differences in overall design between the two shelters. The biggest difference is that the X-Mid Pro 2 is based on an asymmetrical design (offset poles and an inner tent that is diagonally oriented relative to the canopy). The Tarptent Dipole 2 Li is symmetrical – poles are oriented opposite of each other and the inner tent is parallel to the canopy. These design characteristics have implications for pole placement, stability, and the wind and rain performance of both shelters in their four-stake configuration.

For more on this, see our interview with Henry Shires, below.

Tarptent Dipole 2 Li vs. Zpacks Duplex

The Zpacks Duplex is still one of the most ubiquitous double-pole, double-door, single-wall DCF shelters. A noteworthy difference between the Duplex and the Tarptent Dipole 2 is that the Duplex needs eight stakes minimum to be considered ready for mild wind and rain. The resulting forest of guylines can be a little overwhelming at a small campsite.

It is assumed in our community that the Zpacks Duplex does not fare well in high winds. However, we think it’s mostly attributable to user error – the Duplex is a difficult shelter to pitch properly and securely in stormy weather, but with up to 14 stake-out points, it can be done. We think the Tarptent Dipole 1 Li and Dipole 2 Li will fare better than the Duplex in this regard – it takes much less effort to achieve an extremely taut pitch with the Dipole than with the Duplex.

tent in the mountains by a lake
A properly-pitched ZPacks Duplex above treeline in the Absaroka-Beartooth Wilderness in Montana. Up to 14 stakes can be used to secure the Duplex. The Tarptent Dipole 1 Li and Dipole 2 Li can achieve a stormworthy pitch with only 8 stakes. Photo: Ryan Jordan.

The Duplex has large doors with the support poles taking up space right in the center of the doors. The Tarptent Dipole 2 Li also has centrally located poles, but smaller, offset doors so the pole is not in the way, particularly if the user angles the poles to one side. The Duplex is more than a foot (30 cm) narrower than the Dipole 2 and weighs ~8 ounces (227 g) less than the Dipole 2.

Gossamer Gear The DCF Two

The Gossamer Gear The DCF Two weighs ~6 ounces (170 g) less than the Tarptent Dipole 2 Li. The DCF Two requires a minimum of six stakes for setup. Steeply sloping walls and a relatively small footprint make the DCF Two suitable only for hikers shorter than about 6 feet 1 inch (185 cm).

Like the Dipole 2 Li, the DCF Two has smaller doors to one side of the support pole (they are across from each other as opposed to offset from each other as with the Dipole 2 Li).

The DCF Two also stands out on this list for being tapered, with a head-end width of 48 inches (122 cm) and a foot-end width of 42 inches (107 cm) – so no room for two wide pads. It also has an apex height of 43 inches (109 cm) as compared to the Dipole 2 Li apex height of 45 inches (114 cm).

Final Thoughts

The Tarptent Dipole 1 Li and Dipole 2 Li are not the lightest double-door, double-pole, single-wall Dyneema Composite Fabric shelters available. From conversations with Henry Shires (owner/founder) and Rob Dunne (design engineer) at Tarptent, that was clearly not the design goal. Tarptent’s primary goals were to create usable interior volume and a stable minimum four-stake setup, and at this, it succeeded.

The Tarptent Dipole 1 Li and Dipole 2 Li are the roomiest shelters in their class – that class being single-wall, double-pole, double-door trekking pole-supported shelters in the 18 to 26 ounce (510 to 727 g) range. This liveable interior volume is a combination of apex height, floor width and length, and the unique end-strut design.

Four-stake setup is stable in rain and light winds and allows vestibule doors to be open without losing tension. Tarptent’s secondary goal was to maximize ventilation and minimize condensation buildup. We like the design features they’ve implemented with this in mind, but we will need further field days with these shelters to accurately judge condensation management.

Camped under an old-growth fir at a grassy and remote off-trail pass east of Rocky Mountain National Park in Colorado. Tarptent Dipole 2 Li. Photo: Ryan Jordan
Camped under an old-growth fir at a grassy and remote off-trail pass east of Rocky Mountain National Park in Colorado. Tarptent Dipole 2 Li. Photo: Ryan Jordan

Photos

A tarptent shot from head-on, with the doors rolled back.
The Tarptent Dipole 2 being tested in the Sierra Nevada. Photo: Andrew Marshall
Photo: Ryan Jordan
Apex guyline linelocs and peak vent at the ridgeline of a Tarptent Dipole Li. Photo: Ryan Jordan
A medium wide shot of the end of the Tarptent Dipole 2.
End view of a Tarptent Dipole 2 Li showing the carbon fiber strut and vented window. Photo: Andrew Marshall
a close-up of the vent and ridgeline on the Tarptent dipole 2
Apex guyline deployed on the Tarptent Dipole 2 Li. Photo: Andrew Marshall
a close-up of the apex stake and vestibule volumizing system.
Using the apex guyline and vestibule clip to extend the vestibule on the Tarptent Dipole 1 Li. Photo: Ryan Jordan
A tarptent dipole fully zipped up, shot in medium wide
Four-stake setup of the Tarptent Dipole 2 Li – no apex guylines needed in mild weather. Photo: Andrew Marshall
Photo: Ryan Jordan
The Tarptent Dipole 1 Li with no apex guylines deployed, and all doors rolled back. You need the ventilation when camping with a dog! Photo: Ryan Jordan
a close-up of a zipper.
YKK #3 AquaGuard zippers on the canopy/fly. Photo: Andrew Marshall
a shot from above looking down at a shelter without poles in it.
A Tarptent Dipole 2 Li shelter with the ends set up, prior to inserting the trekking poles. Photo: Tarptent.
a shot from above of the end strut and vertical end panels
The end strut and guyline system adds volume and creates tension. Also shown here are the ladderloc buckle-and-strap end strut guyline attachment. Photo: Ryan Jordan
a close-up of the magnetic door gathering system
Magnetic door retainers are a common feature on all Tarptent Li shelters. Photo: Andrew Marshall
a medium shot of the ridgeline of the Tarptent Dipole
Without the apex guylines deployed, and following the setup instructions published in this article, a taut ridgeline is achievable with only four stakes. Shown here: the Tarptent Dipole 1 Li. Photo: Ryan Jordan.
a head-on shot of the ridgeline on the tarptent Dipole 2
Deploying the apex guylines creates additional ridgeline tension and panel stability, shown here on the Tarptent Dipole 2 Li. Photo: Andrew Marshall
A tarptent Dipole 2 at sunset in a campsite
Sunset in the Tahoe Basin, Tarptent Dipole 2 Li. The apex guylines are not deployed. Note the slight sag in the ridgeline. This was my first pitch, and it was simply a result of not yet understanding how to perfect an effective 4-stake Dipole pitch – which didn’t take long. Photo: Andrew Marshall
a wide shot of the tarptent dipole 1
Tarptent Dipole 1 Li in the mountains northwest of Rocky Mountain National Park. Apex and end guylines are deployed here for a storm pitch. Photo: Ryan Jordan
A man with a scrumptious red beard experiences headroom in the Dipole 2
I (Andrew) am five feet six inches, so I almost always have headroom in tents. But the Tarptent Dipole 2 is roomy even by my short-man standards.
A close-up of a rain protection panel on the inside of the tent.
The sil-poly panel on the inside of one of the end vents. Photo: Andrew Marshall
A hand pulls down the vent cover from the inside of the tent
Opening the end vent on one end of the Tarptent Dipole 2 Li. In the production model, the cord that the vent cover slides up and down on will be made of Dyneema Composite Fabric so as not to absorb water. Photo: Andrew Marshall.
a shot of the inside of the Dipole 1 with lots of gear spread around
End vent on a Tarptent Dipole 1 Li. Even with a wide pad, there’s room to the sides of the pad at the head and foot ends of the tent to stash gear inside. Photo: Ryan Jordan
A shot of the inside of the of the Dipole 2, with feet and a sleeping pad also in the shot.
The spacious interior of the Tarptent Dipole 2 Li. This space in this photo is slightly exaggerated due to the use of a wide-angle lens, but only slightly. Photo: Andrew Marshall.
Gear scattered through the inside of a tent.
The Tarptent Dipole 2 Li is spacious for two persons. For one person, it’s a palace that can easily hold all of one’s gear for a long expedition AND a large dog, if necessary! Photo: Andrew Marshall
a close up of the vestibules on the dipole 2
The vestibules are 17 inches (43 cm) deep and can be expanded with included guyline and hardware if needed – plenty of space to hold a large pack plus plenty of other wet gear. Photo: Andrew Marshall
A medium shot from inside the dipole 2
This wide-angle lens view from the interior of the Tarptent Dipole 2 Li shows the house-shaped mesh door flanked by two triangular silpoly end panels. Photo: Andrew Marshall
A close-up of the condensation drain.
There’s a condensation drain at each of the four corners of the bathtub floor. Photo: Andrew Marshall

Where to Buy

Tarptent Dipole 1 Li and Dipole 2 Li design notes: an interview with Henry Shires

Ryan Jordan: Using the four-stake setup without apex guylines, I’m able to achieve pretty good stability the tighter the guylines are tightened. In our forest soils here, the six-inch stakes are not holding this level of tension on the Dipole 2 Li, so I’ve been using eight-inch stakes.

That said, I’m pulling [up to] 15-20 pounds of tension on each stake – that’s a lot. I can pull significantly less by using apex guylines, which is to be expected. But I wanted to get a feel for your expectation of stability with and without apex guylines in terms of use cases for wind speeds.

Henry Shires: Yes, agreed that six-inch stakes are marginal in loose soil, especially for the Dipole 2 Li and that eight-inch [stakes] are the way to go. In my/our testing the 4-stake setup (assuming the stakes hold) is fine for low to moderate winds but, yes, the apex/vestibule lines are needed in higher winds if only to take some of the stress directed at the low corners by broadside winds.

As with most/all tents, more stakes are better than fewer stakes, and, yes, for real weather in exposed places the Dipole will want six of them. However, for many/most cases, at least in sheltered areas, four will be fine and I personally really like not having to work around guylines getting in and out.

RJ: Can you give us some info on what is exactly being patented?

HS: We are moving to patent the combination of the ability to stand with four stakes – provided by the dual inset pole structure and relatively large (17-inch) displacement between the ground level corners and apex points – and the mid-end foldable struts which provide the large increase in both interior volume and structural support.

As you know we’ve done plenty of trekking pole tents with end strut designs including the long discontinued Saddle 2 but all had vestibules that required staking (or, if rolled back, apex guylines in lieu of) for lateral support.

The Aeon Li was the first one [that] allowed for full front rollback with no apex line needed (and we have a patent for that one) but to the best of our knowledge, the Dipole has never been done before. I know you’ve played around with the [Durston Gear] X-Mid and [Sierra Designs] High Route designs which, at first glance, appear to be a four-stake setup but the asymmetry proves otherwise and my goal with this one is a true 4-stake setup and practical use (in most cases).

[Here are a] couple of graphics (below) showing the tension lines on the Dipole and X-Mid/High Route designs, both with full rolled back doors. Note that for stability what matters are the relative forces applied to apex points where the underlying vertical poles meet the canopy.

Unequal forces will cause some form of pole rotation and corresponding loss of fabric tension. I did not include a graphic of a simple four-sided square pyramid but that one would have four tension lines coming off the center apex pole and each would be at 90 degrees. For two pole tents, each pole has tension lines and at least one connecting tension line between them.

A graphic of the tension line and forces on the Durston Gear X-Mid Pro 2. Graphic: Henry Shires, Tarptent.
A graphic of the tension line and forces on the Durston Gear X-Mid Pro 2. Graphic: Henry Shires, Tarptent.
A graphic of the tension line and forces on the Tarptent Dipole 1 or 2. Graphic: Henry Shires, Tarptent.
A graphic of the tension line and forces on the Tarptent Dipole 1 or 2. Graphic: Henry Shires, Tarptent.

The inherent asymmetry of the offset poles in the X-Mid/High Route means there is no way to adjust the four corner tension points such that the sum of all the tension lines equals zero with the doors open in any sort of stable equilibrium. In the X-Mid graphic, note that all tension lines are at different angles and that the T3 tension line that runs between the two apex points is not independently addressable.

RJ: T3 is not independently controllable without apex guylines – and that makes the X-Mid a six-stake tent in all but a mild breeze.

HS: It is also the case that the long seam line carrying the T2 tension is a shallow angle and any deviations in the pole apex position aren’t resisted by corresponding changes in tension because that edge doesn’t need to stretch to accommodate the change.

RJ: There is notably different behavior in apex stability between the X-Mid and Dipole. On the X-Mid, T2y is indeed a very shallow angle. So it would seem intuitive to crank that T2 corner stake down hard, to bring more tension to T2y. However, the asymmetry causes an additional imbalance in all of the other tension lines because there are no directly opposite forces to T2y. It’s tricky and time-consuming in the field to sort this all out. Of course, the problem is sort of solved by just adding the apex guylines to the X-Mid.

HS: Adding an additional tension line (in the direction of the Y-axis as shown in the diagram) does inhibit an inward rotation and is the reason why the X-Mid is always shown that way.

In the Dipole, there is an additional inward tension line (T5). That line is resisted by the corner tension lines (T1 and T2) but is also addressable through the tensioning system at each mid-end strut which creates T3 and T4. The inherent symmetry of the Dipole – tension lines are equalized and at comparable angles – means that no additional apex tension lines are needed for low to moderate winds and doors can be fully rolled back.

RJ: I had the tent in a heavy thunderstorm yesterday and it otherwise stayed remarkably dry – the end vent construction is unique and effective. I like it. I was admittedly a bit nervous about not having an awning over these vents, but the inward-sloping struts kept rain from entering the tent.

HS: Yes, I too was nervous about that. Earlier versions of that system weren’t reliable but [Tarptent Design Engineer] Rob [Dunne] – thanks Rob – made that work well.

RJ: What’s at the heart of your design process for the Dipole series? What did you set out to accomplish?

HS: The pack and pad market [has] evolved over the years and we acknowledge the trend toward wider, thicker pads and narrower packs. The way we achieve [usable interior volume] on many of our tents is to deploy the PitchLoc structure. They are strong and effective but only foldable/packable down to 16 inches on the Notch and StratoSpire series and that length makes it hard to fit horizontally into many ultralight (i.e., skinny) packs.

To retain/enhance usable volume on the Dipole we moved to a foldable single strut structure that folds to 13 inches (and [is] easily detachable), a length much more viable for horizontal packing. The other goal for these was to enhance usable length and width such that both models would easily fit long wide, and thick pads – one in the Dipole 1 and two in the Dipole 2 – while still sleeping people at six feet eight inches or even taller. The completely vertical and relatively tall (21-inch) ends walls make that possible.

The other goals were a true four-stake setup and greatly enhanced venting – ends, sides, and apex venting.

Check this space for more notes and observations on the Tarptent Dipole 1 and 2 as we continue to field test these shelters over the coming months.

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