The Thermolite RFL Over-The-Calf Ultra Light Women's socks are perfect for those ladies with cold feet and want a high-performance sock. These socks use an insulating material called Thermolite to keep your feet super warm all day. The ultra-light construction delivers a precise fit and maximum performance on the snow.
-Ultra-Light: Our lightest sock for race day or anyone looking for a lighter-than-air feel from a tougher than hell sock.
-Over the Calf Height: The name says it all. The ultimate height for keeping the outside—out.
-54% Nylon 43% Thermolite® Polyester 3% Lycra® Spandex