Ariat AriatTEK High Performance Quarter Crew Socks are ideal for warm-weather wear. The Tencel/polyester blend makes these highly breathable and sweat-wicking. Plus, they have strategic cushioning at impact zones for added comfort. The seamless toe provides smooth wear. And a no-binding top keeps the sock in place. Perfect for summertime work shoes or working on the house. Tencel 38/35/23/4 nylon/lyocell/polyester/spandex wicks away sweat; Mesh ventilation panels promote airflow; Reinforced cushioning at impact zones softens the blow; Seamless toe for smooth wear; Graduated no-binding top keeps it in place; Quarter-crew height; Unisex sizing; Medium: fits Men's shoe size 5-9, Women's shoe size 6-10; Large: fits Men's shoe size 9-12, Women's shoe size 10-12; Extra-large: fits Men's shoe size 12-14.5; Country of Origin: Imported; Mfg. Number: 2719