First Lite's Mid-Insulated Merino Socks are Made-In-USA and built for active pursuits in cold weather. Designed for maximum warmth without sacrificing fit, these mid-insulated merino socks are essential for any hunter who wants to go farther when the snow starts to fly. FeaturesMaterial: 74% Merino Wool, 23% Nylon, 3% Lycra SpandexCut: Over the CalfMidweight cushioning throughout the entire sockLycra fit panel on top of footSeamless construction for enhanced comfort and durabilityCare Instructions: Wash in cold water, hang dry or tumble dry with no heat. Do not dry clean.