Heat Holders® Worxx Men’s Hank LITE™ contrast thermal socks are 5X warmer than the average cotton sock in a medium thick profile ideal for casual shoes and boots and with a durable reinforced heel and toe that will work as hard as you do. The intensely brushed inner is super soft and comfortable and traps warm air next to your skin, keeping your feet warmer for longer on the coldest of days. # Pieces In Set: 1 Pair Features: Insulated Shoe Size Range: 7-12 Fiber Content: 93% Acrylic, 6% Polyester, 1% Elastane Fabric Description: Knit Care: Machine Wash, Line Dry Country of Origin: Imported