Tundra Aerogel Socks
Tundra Aerogel Socks, The Outdoor Research Tundra Aerogel Socks keep your feet cozy warm inside of your sleeping bag or kicked back on the couch. These puffy socks feature a compression-resistant PrimaLoft Aerogel insert that acts as a thermal barrier between your feet and the elements, with a smooth polyester suede sole. Plus, an ankle cinch top keeps your socks in place throughout the day.