Thorlo GX Unisex Golf Crew Sock size 11 & 13

Features Sock Size 11= Women's Shoe Size 6.5-10, Men's Shoe Size 5.5-8.5 Sock Size 13= Women's Shoe Size 10.5-13, Men's Shoe Size 9-12.5 Sock Size 15= Men's Shoe Size 13-15 85% ThorLon(r) Acrylic, 12% stretch nylon, 3% spandex Protection Level 3: provides maximum protection for rugged and challenging activities and weather conditions Extra ThorLon(r) offers a maximum golf density padding to provide better durability, protection against shock, impact and shear forces ThorLon(r) top with added spandex for protection and fit Lightweight padding in arch ensures fit and arch support Made in USA