Features: CLEATS: The Crampons Overshoes are perfect for all kinds of shoes to reduce the risk of slip and increase safety, make the traction more stable on the footwear, especially for customers with thin feet SAFE: Walk traction cleats enhance the road holding in the snow/ice. Aggressive cleats and treads to prevent slips and falls on ice, snow, and wet pavement, reduce body injury DURABLE: Overshoes are made of Thermoplastic Elastomer material, lightweight, durable, highly elastic, stretch over existing shoes or boots. It looks smaller than your shoe size, but are designed to stretch considerably to fit appropriately over your shoes CLIMBING: Special steel stud shape design - make it more easy for walking climbing, easy and safe in the snow and ice. Specification Material: TPE, PP, alloy Color: Black Thickness: About 0.3cm/0.1inch Tooth nail length: About 0.6cm/0.24inch Size: S, M, L, XL Size chart(cm/inch) Sizelengthwidthfront heightA heightB height S(35-38)22/8.668.5/3.354.3/1.695.2/2.058.4/3.31 M(39-42)23/9.069.0/3.543.5/1.385.7/2.249.5/3.74 L(43-45)24/9.459.5/3.744.5/1.775.9/2.329.9/3.90 XL(46-48)27.5/10.8310.5/4.134.6/1.816.3/2.4810.5/4.13 Package included: 1 pair of Traction Cleat Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.