SCRUNCHY Collection * Scrunchy strap detail. * Patented grip designed to provide excellent traction. * Extra silicon on the high contact areas: the ball and heel of the foot. * Silicone tab inside heel of socks. * Arebesk signature wash bag included with each pair- helps preserve silicone in laundry cycles and doubles as a carrying bag. Fabric Details: * 75% cotton * 15% spandex * 10% elastane Free shipping on all orders $35 or over. Does not apply to international or overnight orders. SIZE CHART   Small U.S. Women’s Shoe 6-8 Medium U.S. Women's Shoe 8.5-10.5 Large U.S. Women's Shoe 11-12