Sierra Designs DriDown vs. Untreated Down - Steam Test @ProlitegearPage
Sierra Designs DriDown vs. Untreated Down - Steam Test @ProlitegearPage
Uploaded March 2013 | Updated September 2026, 2 weeks ago
ProLite Gear cuts open a Sierra Designs Gnar jacket to test DriDown against Untreated Down using a steam chamber to subject the insulation to 200 degree steam. The results might surprise you.
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Sierra Designs DriDown vs. Untreated Down - Steam Test

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