Ice & Snow Grips Over Shoe/Boot Traction Cleat Rubber Spikes Anti Slip New and improved design enhances fit and function with a 360-degree spike patten that provides more push and lateral grip Material: TPE thermoplastic elastomer+ special non-slip steel studs,odourless,flexible to -40 degree. The special Ground-gripping steel studs offer excellent traction on ice and snow Easy on/off to fit boots, sneakers, casual and dress shoesGreat for ice fishing, hunting, walking, jogging, hiking, running, snow shoveling, etc. Fit for US Women:11-12.5,men:10.5-12.