optimusprime
WKR
- Joined
- Apr 30, 2015
- Messages
- 416
I recently purchased a Rab Electron jacket for cold glassing sessions. For those who don’t know, it’s a Pertex Quantum Pro jacket with 800 fill Nikwax water resistant down. It’s super warm and comfy. It has a wicked DWR that sheds all but heavy downpours.
I have been hunting late season archery in WA where temps are around 8-30’s during the daytime. Lots of hiking in 2 feet of snow and lots of sweat. I had on a Sitka Core LW t-shirt, Core LW hoodie, First Lite Klamath and Sitka Kelvin Active. I was sweating something fierce. I sat down for a 15 minute break and threw my puffy on. A little while later I noticed I was getting cold again. I looked at my Puffy and noticed it had began to flatten out! All I can figure is that the heat from my body was forcing the moisture into the down faster than the jacket could expel it and the hydrophobic down couldn’t handle it. I’ve heard of this happening when peoples clothes were soaked from rain first but didn’t think it would happen with just sweat build up. Interesting for sure.
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I have been hunting late season archery in WA where temps are around 8-30’s during the daytime. Lots of hiking in 2 feet of snow and lots of sweat. I had on a Sitka Core LW t-shirt, Core LW hoodie, First Lite Klamath and Sitka Kelvin Active. I was sweating something fierce. I sat down for a 15 minute break and threw my puffy on. A little while later I noticed I was getting cold again. I looked at my Puffy and noticed it had began to flatten out! All I can figure is that the heat from my body was forcing the moisture into the down faster than the jacket could expel it and the hydrophobic down couldn’t handle it. I’ve heard of this happening when peoples clothes were soaked from rain first but didn’t think it would happen with just sweat build up. Interesting for sure.
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