The Smartwool Ski Zero Cushion Extra Stretch OTC Socks work to keep the wearer comfortable and performing at their best in all conditions. Featuring Indestructawool technology for extended durability and an extra stretch calf, these socks accommodate fuller calves comfortably. Merino wool helps manage moisture, regulate temperature, and resist odors. Type: Over-The-Calf Ski Sock Extra stretch calf for greater comfort that accommodates fuller calves 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 Shred Shield technology reduces wear from toes Merino wool helps manage moisture regulate temperature and resist odors Height: Over-The-Calf Cushioning: Zero Cushion Garment Weight: 68 g or 2.4 oz Content: 54% Wool-Merino 43% Nylon 3% Elastane