Anti Slip Ice Snow Walking Shoe Spike Camping Climbing Cleat Grip Crampon snow and ice cleats Rubber,alloy steel spikes Advanced anti-slip function Easily fit the shoes of US 3.5-10.5 ( Europe Size: 35-43 ) Easy on/off to fit boots, sneakers, casual and dress shoes-- Wrap the front around your toe section, then stretch the back around your heel.