The Smartwool Ski Full Cushion Midnight OTC Socks work to keep the wearer comfortable and performing at their best in all conditions. Featuring Indestructawool technology for extended durability and the 4 Degree Elite Fit System, these socks are designed for a dialed-in, performance-oriented fit. Merino wool helps manage moisture, regulate temperature, and resist odors. Type: Over-The-Calf Ski Sock Indestructawool technology with extended durability zones 4 Degree Elite Fit System designed for a dialed-in performance-oriented fit Virtually Seamless toe for enhanced comfort Merino wool helps manage moisture regulate temperature and resist odors Height: Over-The-Calf Cushioning: Full Cushion Garment Weight: 106 g or 3.75 oz Content: 63% Wool-Merino 35% Nylon 2% Elastane