To protect the entire underbelly of your Ski-Doo, add the Full Body Skid Plate accessory. It keeps your sled’s bottom protected from damage and ensures it won’t collect snow on its frame during a deep snow ride. This snowmobile skid plate is made of high molecular weight polyethylene to take on unpredictable off-trail conditions. High molecular weight polyethylene. Provides maximum underbelly protection in off trail conditions. Helps glide on snow and prevents snow from sticking to the frame. - REV-XU Tundra