Description Jimmy Chin is back! Climb, hike and explore in comfort with the Jimmy Chin UL Wool Snow sock. Over the Calf Height Merino Wool Blend FRESHTEK™ MOISTURE & ODOR CONTROL Infiknit™ Durability Performance Cushioning Performance Arch Support Seamless Toe Closure Performance Mesh Fit and Fabric 60% nylon, 36% merino wool, 4% elastane