Keep the cold out and the warmth in with muk luks® men's 8 inch heat retainer hiking socks. Advanced thermal heat retaining technology will work to keep toes warm while stretchy knit fabric allows for a flexible fit and easy pull-on style. # Pieces In Set: 3 Pair Features: Multi-Pack Shoe Size Range: 9-13 Fiber Content: 100% Polyester Fabric Description: Knit Care: Tumble Dry, Machine Wash Country of Origin: Imported