Socks,toraway Unisex Casual Sport Heel Socks Open Toe Yoga Recovery Socks Material: Cotton Keep heels soft & smooth, eliminate cracks and hard, rough skin Proprietary Visco lining delivers mineral oil to skin surface to soothe & moisturize Helps with shock absorption, heel skin chap & heel pain; Mineral oil soothes & softens skin Use with creams and heel treatments for even faster results Works while you rest or sleep, effective for months