Attmu Ice Grips Snow Grips for Shoes and Boot, Traction Cleats for Snow and Ice, 2 Size Attmu anti-slip ice cleats shoe boot tread grips traction crampon chain spike sharp snow walking walker has removable performance strap to ensure fit. Attmu ice grips gear easy slip on snow and ice shoe, boot traction cleats prevent slipping has durable natural rubber blend for flexible fit. S/M suit for US size 5-9 B(M), X/XL suit for US size 10-14 B(M). Material: TPE, TPR, Flexible and no odor. 360 degrees of traction with patented skid lock coil system.