A streamlined performance fit and integrated mesh zones make for an ultra nimble, highly breathable sock that keeps up with you when your quarry is on the move. Mid-level cushion density under foot. A warm and ultra-comfortable choice when conditions demand it. A shorter, more concise take on the traditional crew height. Peeks just above the top of a standard hiking boot. Details: 62% Merino Wool, 34% Nylon and 4% Lycra Spandex blend, no slipping, no bunching, and no blisters, unprecedented durability and unique ''put it on, forget it's on'' feel, pulls moisture away from skin, fast drying, cool in the summer, warm in the winter, repels bacteria and odor, the ultimate fiber for breathability and comfort in all conditions, undetectable seam fusion for an ultra smooth, invisible feel. Material: Merino Wool, Nylon, Lycra Spandex.