Ahh, nothing like a floating sleeping bag to demonstrate Nikwax hydrophobic down! As also found in Mountain Designs sleeping bags.... | By OSA Brands | Facebook
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Nikwax sent to people out onto a frozen lake in a sleeping bag. They lasted 20 & 30 minutes. Their Hydrophobic down is 50 times more water repellant than conventional down - Boardsport SOURCE
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Welcome to the Nikwax blog Nikwax Hydrophobic Down - the world's best performing hydrophobic down - Chosen By NOMAD® - Welcome to the Nikwax blog
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Amazon.com : Therm-a-Rest Polar Ranger -20F/-30C Down Expedition Sleeping Bag, Long : Sports & Outdoors
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