The TREX 6300 Slip-On Ice Cleats are lightweight ice grips for boots with 8 replaceable spike grips and one-piece design for a snug fit over winter boots to prevent slip and fall injuries on the ice. These ice cleats provide tenacious traction and extra stability on ice and snow. These ice grippers feature 8 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 stretchable rubber material provides a secure fit and easy slip-on/off wear. 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. Medium fits 5-8 US Mens Large fits 8-11 US Mens XL fits 11-15 US Mens XXL fits 15-18 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.