Heat holders® lite™ thermal socks have been designed to provide our famous thermal protection and comfort in a medium thick profile, ideal for wearing in casual shoes and boots!  # Pieces In Set: 1 Pair Features: Breathable, Insulated Shoe Size Range: 7-12 Fiber Content: 93% Acrylic, 6% Polyester, 1% Elastane Fabric Description: Thermal Care: Line Dry, Machine Wash Country of Origin: Imported