Kentwool Mens 19Th Hole Collection Striped Socks 1 Pair 57% Merino Wool, 39% Stretch Nylon, 4% Spandex Made in USA Thermoregulatory capability cools in summer, insulates in winter Naturally absorbent design holds up to 30% of its weight in moisture Cocona moisture-management system keeps wearer dry and comfortable Non-abrasive and friction-resistance prevents blisters High-tech fibers provide maximum elasticity to conform to foot