Winter Snow Ice Treads Unisex Non Slip Grips Cleats Women Sizes 11+and Mens' size 10-13 by ThunderBay Sizes Fits Women sizes 11+ and Mens sizes 10-13 Size L/XL All Feature Durable Carbide steel tips provide traction reducing the risk of falling on icy or slippery surfaces Easy to use traction footwear: No straps , snaps, or buckles Lightweight elastomer stretches to fit nearly any type of footwear Treads retain flexibility in temps as low as -40* No Straps, snaps, or buckles Lightweight retains flexabilty in temps as low as -40 F