Episode 48 | Waterproof Breathable Fabrics
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Summary
In this episode of the Backpacking Light Podcast, Ryan and Andrew chat with Backpacking Light author and materials tester Stephen Seeber about layering, waterproof-breathable fabrics, and new GORE-TEX technology. Also in this episode, we discuss a new pack from Arc’teryx, updates to the popular NEMO Tensor line of sleeping pads, and a follow-up conversation about water-resistant down.
Outline
- catching up
- wildlife encounters
- Arc’teryx Aerios 45 backpack
- Red Paw Packs Flatiron Pack 28L also has the full-length zipper
- a new version of the NEMO Tensor sleeping pad is hitting the market in 2022
- Stephen Seeber interview introduction
- visit Stephen’s author profile & see his Backpacking Light articles
- expectation management and understanding clothing limits
- how your body releases moisture into layers
- hiking in high humidity
- moisture vapor transmission (MVTR) rate vs. air permeability
- how Stephen’s air permeability test works
- why you should stop and change your layers
- what is a high MVTR number, and what are some of the numbers Stephen has measured?
- permeation kettles and measuring MVTR
- test methodology and effective correlations
- how numbers translate to field performance
- Marmot PreCip Eco jacket
- Stephen lists some of the jackets he’s tested with the highest MVTR ratings
- how face fabrics affect vapor transmission
- tight fabric weaves and durable water repellant treatments (DWR)
- new GORE-TEX membrane chemistry
- Ret value (sweating guarded hotplate)
- Mountain Hardware Quasar Lite
- Stephen weighs in on two different moisture management scenarios
- takeaways from the Stephen Seeber Interview
- Buffalo Systems Teclite Shirt
- follow-up on the IDFL podcast
- what’s new at BPL? The Rain Mitt Gear Guide
- Ryan’s favorite for incidental use – Enlightened Equipment Visp Rain Mitts
- Ryan’s favorite overall rain mitt – REI Co-op Minimalist GTX Mittens 2.0
- Ryan’s favorite for durability and scrambling – Outdoor Research Revel Shell Mitt
- The new Backpacking Light Member Q&A live stream sessions (link to all) or watch the recorded versions of Layering Systems Member Q&A and Shelter Systems Member Q&A
- wrapping up
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- Written by: Chris Cunningham and Ryan Jordan
- Performed by: Chris Cunningham (acoustic guitar, lead and harmony vocals, harmonica), Chad Langford (upright bass), and Tom Murphy (mandolin).
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