Tundra Slip-on Aerogel Booties

NASA-approved insulation, adventurer-ready slip-on bootie design
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Tundra Slip-on Aerogel Booties

Throwing a pair of the low-ankle Tundra Slip-On Aerogel Booties into your pack turns any adventure into a luxurious experience without the extra weight. These ultralight indulgences will make the biggest difference on your snow camping, mountaineering, and backcountry hut trips. Each bootie features a compression-resistant PrimaLoft® Aerogel insert that acts as a thermal barrier between your feet and the elements, as well as a weather resistant exterior shell. VerticalX™ insulation offers a superior warmth-to-weight ratio that works even when wet, and the grippy soles are perfect for walking on slippery snow and ice. A collapsible heel can be worn up, or tucked away to convert booties into slippers.


Product :

Fabric :
100% polyester shell, 100% polyester VerticalX™, PrimaLoft® Aerogel 1.5mm insert, 60% polyurethane, 40% polyester soles, 100% tricot lining

Weight :
7.1 oz/201 g


Fabric Performance
Water Resistant
Wind Resistant

Design Features
Step Down Heel
Anti-Slip Sole


Rating and reviews


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Down Socks & Slip-On Bootie size guide

Down Socks & & Slip-On Booties

Measurement shown in: Us
MEN'S 3 - 535 - 37 4 - 636 - 39 6 - 839 - 41 8 - 1041 - 43 10 - 1243 -45
WOMEN'S 5 - 735 - 37 6 - 836 - 39 8 - 1039 - 41 10 - 1241 - 43 12 - 1443 - 45

How to measure

How to Measure Booties

Please refer to your shoe size.

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