Abrasion Free, Moisture management, extra comfort, Long lasting Soft Merino wool golf sock No-blister guarantee! Cocona fibers cushion the heel and sole to reduce friction and prevent blisters Natural wicking keeps moisture and sweat away from skin Tour Profile ankle setting look without slippage or sliding of the sock IMPORTANT These are thick socks, and can be tight if your feet size are on the large end of the size range. For example if you wear a size 12 shoe, then we suggest ordering the next size up (XL). SIZING SPECIFICATIONS Material 66% Merino Wool, 24% Nylon, 8% Cocona Polyester, 2% Spandex Easy Cleaning instructions Turn socks inside out, machine wash in warm water, tumble dry low