The TREX 6304 Step-In Ice Cleats are lightweight ice grips for boots and shoes that provide tenacious traction and extra stability on ice and snow. Stretchable one-piece design offers grip to prevent slip and fall injuries on the ice. Contoured ,step in in, 3D design easily wraps around boots and shoes for a superior fit. These ice grippers feature 12 rugged carbon steel cleats on the ball and heel of foot for grip on slippery terrain. Available in multiple sizes and will fit over any style of boot or shoe for traction and stability during winter work or other winter outdoor activities. Tested to be flexible in temperatures down to -40 deg F (-40 deg C), the contoured 3D design allows you to step into these ice traction cleats for fast and easy on/off. These snow cleats are lightweight and can be folded small enough to be stored in a pocket or pack when not being worn. Sizing - TREX Ice Traction should fit snugly on your boot or shoe. Stretchy, one-piece design means no tightening or adjustments needed. Use your shoe/boot size to determine the approximate size. Small fits 5-7 US Mens. Medium fits 7-9 US Mens. Large fits 9-11 US Mens. XL fits 11-14 US Mens. These are the ideal winter walking ice cleats for ice or snow. They also work to reduce the risk of a slip and fall injury. Replacement Studs available (sold separately) for years of use. Common applications include construction, roofing, road work, landscaping and delivery service workers. Also great as hiking spikes, running spikes, ice-fishing cleats, or for shoveling the driveway or walking your dog.