Guardian By Dowco - Trailerable - Outdoor - Over Ski Snowmobile Cover - 2 Year Warranty - Tri-Layer - Water Resistant - UV Resistant - Moisture Vent - Up To 121" Track [ 03487 ] Fits machines pre Rider Forward era Keeps your machine free of road salt, slush and other contaminants while being trailered. Features Tri-Layer elastic fabric (polyester, spandex, TPU) that provides sleek snug, contoured custom like fit, water resistant membrane laminated between two elastic layers for added durability. Two year Warranty