Dri-Fit technology pulls moisture away from feet to keep them cool and comfortable. Cushioned areas and arch compression provide support. Ribbed cuffs lend natural stretch and shape retention. Left/right specific design promises a better fit. Reinforced heel and toe enhance durability. Men's size 8-12 fits women's shoe size 10-13 Polyester/nylon/cotton/spandex Machine wash Imported Size: 8-12. Color: Black. Gender: Male. Age Group: Adult. Material: Polyester/Nylon/Cotton.