Outdoor Research Tundra Aerogel Womens Sock Insulated Bootie Footwear Colour:Kalamata and an adjustable chest strap

and an adjustable chest strap ensure a comfortable fit

or on alpine sport climbing routes (when using a single rope)

and durability for that boost of confidence you just can’t get in a road shoe on the trail

It may be carried around your neck or secured to your rucsac

The No-Edge® system ensures the toe box adapts perfectly to every type of foot holds

Outdoor Research Tundra Aerogel Womens Sock Insulated Bootie Footwear Colour:Kalamata and an adjustable chest strapThe Tundra Booties from Outdoor Research feature PrimaLoft Aerogel Insulation; the lighter, thinner, stronger insulation trusted by NASA space travel. Whether you are snow camping, car camping, or just hanging out in the cabin, these insulated booties are like a warm hug for your feet. The compression resistant PrimaLoft Aerogel insert acts as a thermal barrier between your feet and the elements, as well as weather resistant exterior shell and grippy