Description Jimmy Chin is back! Climb, hike and explore in comfort with the Jimmy Chin Mid Wool Crew. Crew Height RWS Wool Medium Cushioning FRESHTEK™ MOISTURE & ODOR CONTROL Infiknit™ Durability Performance Cushioning Performance Arch Support Seamless Toe Closure Performance Mesh Reflective Logo Fit and Fabric 57% nylon, 39% merino wool, 4% elastane