| Patented, warmer pockets over the toes for HEAT FACTORY Footwarmers (see Item 1953). One set of warmers included. Heated Socks are great when standing in cold water, lying in a cold field, waiting for birds in a cold blind, or just sitting at home watching TV on a chilly night. Merino Wool Blend, 76 % Acrylic, 13% Merino Wool, 9% Nylon, 2% Elastic & Reinforced Heel . 2 sizes Medium (9-11) or Large (10-13) |