Offering Heat Holders famous thermal protection and comfort in a lighter-weight profile, Heat Holders Lite Svenson Fairisle Crew Socks for Men offer top comfort in casual shoes and boots. Made of a specially developed heavy bulk yarn with extreme thermal qualities, these socks keep feet 4 times warmer than cotton socks. Featuring medium-pile cushioning to keep feet fully comfortable and supported, Lite Svenson Fairisle Crew Socks also feature a soft, intensively brushed interior that provides a supersoft feel and traps warm air close to the skin. Sporting a fairisle pattern for a great look, these socks are also non-binding to offer relief for folks with circulation problems or diabetes. 93% acrylic/6% polyester/1% elastane. Machine wash. Imported. 93% acrylic/6% polyester/1% elastane Advanced Heat Holders comfort for use with casual shoes or boots Advanced heavy bulk yarn 4 times more warmth than cotton socks Medium-pile cushioning Soft, brushed interior Non-binding construction