Note: This is a commercial announcement from Michael Glavin, VP of Sierra Designs
SD is launching several new products that may be of interest to the BPL community. These will be officially launched at Outdoor Retailer in August. Normally, we would not disclose information prior to launch, but as we are in final testing of the product, we thought we would include the BPL community early so we can gain insight and hopefully some hands-on testing prior to finalizing the designs.
First item: 10 Ounce Rainwear
PROBLEM: No membrane can "breathe" enough to keep you dry under execration. "Guaranteed to Keep You Dry" is a lie. Pit zips ventilate the symptom area, but fail to address the problem. Pack straps severely restrict ventilation at the body's core. Most hard shells are ridiculously overpriced. Hard shells are HEAVY.
SD SOLUTION: Manage moisture with VENTILATION, not just breathability (though our fabric has 31,500g (JIS) of MVTR, or 6,700g (ASTM). The ENTIRE heat and moisture producing torso and lap are ventilated WHILE WEARING A PACK. The ENTIRE SUIT costs less than most GoreTex jackets, and weighs less than most waterproof breathable jackets. If you hike all day in the rain, you will still be wet, but I can guarantee you will be drier than a Gore-Tex rain suit.
The cagoule and chaps:
–Have no zippers to reduce weight. There are flaps secured by velcro that are backed by flaps with gutters. Shower testing has exceeded expectations, and field testing is so far positive.
–uses a 20d 2 layer, except the front of the chaps which uses a 20d 3 layer so they can be worn comfortably over shorts.
–extra long length protects your lap and seat, and importantly moves the jacket drip line below crotch level, so you "lap" can be free to breathe. HUGE.
–Hip-belt vent allows top panel to "skirt" over you hip belt, creating a large downward facing vent that allows airflow across the sap and torso.
–Awning vents on the underarms leave a HUGE always-open opening that are impervious to rain. You will never want a jacket with pit zips ever again.
–pass through opening for the hands (not a pocket) allows addition side venting at the chest and 'hand warmer" pass through. Since these vents are high they do not interfere with the pack, and force your arms upward into the vent so water does not drip in when your hands are inside.
—deep chest opening secures with hook and loop, and features an internal gutter and is angled to drain.


Second item: Solar Wind Hoodie
PROBLEM: "Mountain" wind layers have low CFM to block the wind, but the lower CFM does not allow quick moisture evaporation under heavy exection in less-severe conditions, and are too hot to wear for sun and bug protection in warmer weather.
SOLUTION: 50CFM Stretch Woven Hoodie
SD is launching a new "wind shirt" (actually called the Solar Wind Hoodie) for Spring 15. It is made of a SOFT, stretchy, non-membrance STRETCH WOVEN that is as light as we could make it (2.5oz per yard; 7.5 oz for mens large; includes hood and pockets as shown below).
Here is the skinny:
50-60 CFM (ASTM test method) is about where most people begin to notice appreciable wind resistance. Not windproof, mind you, but "blocking".
2-5CFM garments feel "windproof" to most people, while still allowing some airflow. That's why our (and other's) "mountain" wind shirts have lower CFM
There is no membrane wind material that I am aware of that has an acceptable CFM for any real activity. Membraned windshells and soft shells, in SD's opinion, have no value and are nothing but hype. That said, it is conceivable that membraned garments could achieve higher CFM, so this is not a blanket statement.
The Solar Wind Hoodie is designed for high exertion activities (like backpacking) in less than severe conditions. It is especially useful on trips when a hardshell can supplement for extreme weather, as has been suggested by Dale, the originator of this post. The hoodie version features a "no hassle" adjustment free scuba hood, hand warmer pockets, and soft hem adjustment, concealed thumb holes, awesome 415CFM knit underarms, trim fit with enough ease for base layer. But the real story is the 50CFM stitch woven, which protects from light wind and rain, but dries sweat very quickly. It can be used for sun and bug protection in warmer weather, but can be pushed into colder conditions when necessary. This is the new "go to" piece for the SD team, especially in systems utilizing rainwear.


IF YOU ARE INTERESTED IN TESTING EITHER OF THESE GARMENTS, PLEASE SEND ME AN IM. I only have one test sample of the Cogule and Chaps (in Men's large), and the chaps are out of spec and a bit short (they are closer to a medium). I am XL and have tested both, but be aware fit on these protos will be an issue.
Note also that when I posted this, I intended to follow up with a video, but I realize I just sent my personal samples to a sales presentation, and won't have them back until next week. When I get them, i will make a video detailing the pieces and post the link on this thread.










