Durable & Stretchy Material: new upgrade of the ice cleats crampons have 10 stainless steel spikes and high quality silicone which are stretchy, non-aging, recyclable and flexible. Traction cleats for walking on snow and ice can provide excellent anti slip traction on a variety of terrain or other worst conditions. Ice grips made of Thermoplastic Elastomer(TPE), 5mm thicker than ordinary rubber, strong performance under -45°C. Easy to put on&off with secure and adjustable straps.