Outdoor Research Tundra Aerogel Womens Slip-on Insulated Bootie Footwear brand_ TPU under-boot straps

TPU under-boot straps

and lofty as 700-800 fill power down

They can accommodate multiple connection points

as a full-body fall arrest harness

weighing in at only 2

Outdoor Research Tundra Aerogel Womens Slip-on Insulated Bootie Footwear brand_ TPU under-boot strapsNASA approved insulation, adventurer ready slip on bootie design. Throwing a pair of the low ankle Tundra Slip on Aerogel Booties into your pack turns any snow camping, mountaineering, or backcountry hut trips into a luxurious experience without the extra weight. 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 and