Bates Men's Tactical Mid Calf Socks, Black, Sock Size:10-13/Shoe Size: 6-12 70% Polyester/27% Nylon/3% Spandex Made in US Machine Wash Ultra Dri moisture management wicks away moisture for cooler and drier comfort Reinforced toe and heal Rib stay-up top for a secure, comfortable fit Targeted cushioning for maximum durability and protection Embedded arch support reduces foot fatigue