If Your Feet Are Like Mine ...

Injinji Tetratsock Nuwool Outdoor Series Running Crew Sock Comfortable over a wide temperature range, these crew-height "toe socks" help prevent blisters with a seamless construction that protects each toe. Anatomical Molding SystemTM conforms to your feet for increased blood and air circulation Individual anatomical toe sleeves form a thin anti-blister membrane between toes to eliminate skin-against-skin friction 3-ply flex construction prevents sock movement while increasing wicking and circulation The precisely stitched Vector Heel prevents bunching and allows for a comfortable fit Double-layered welt top maintains shape for long-lasting performance and support These NuwoolTM blend socks efficiently insulate, regulate temperature and wick away perspiration Sizing is as follows: S fits women's shoe size 6 - 8.5 / men's shoe size 5 - 7.5 M fits women's shoe size 9 - 11.5 / men's shoe size 8 - 10.5 L fits women's shoe size 12+ / men's shoe size 11 - 13 XL fits men's shoe size 13.5