Protect your snow machine year round against mud, slush, salt, sun, insects, leaves, droppings, or other corrosive elements. Cover is breathable and allows air to circulate through the pores between fibers, yet remain woven tightly enough that the surface tension of water or ice melt will not penetrate, it will roll right off. This breathable 300 denier snow machine cover fits the 2017-2020 Arctic Cat line of ZR 8000 RR ES 137sleds. Designed for Storage travel the cover comes with an attached stuff sack for portability and packs small. Take your snowmobile cover with you, even ice fishing with your crew, and enjoy your next crosscountry or backcountry sled trip with a like-new snowmobile and a clean, dry seat every time. Will not scratch the finish. The hemline bungee holds the cover snug to the chassis for a tight fit. Metal hook straps keep the cover secure. Dual vents allow excess air to escape without lofting or ballooning. Protect your investment while trailering home at the end of a long day on the back country trail. IMPORTANT: 300 denier canvas is trailerable on local roads only and not intended for highway or long distance protection. This semi-custom cover is sized to fit the sled indicated WITHOUT aftermarket equipment, modification, or accessories. We make many covers compatible with most snowmobiles on the market such as arctic cat, polaris, yamaha, skidoo and more. If your snowmobile/snowmachine has accessories or modifications such as a longer track, tall windshield, saddlebags, handlebar risers, or similar, please confirm fit with us prior to purchase. Ideal for both indoor or outdoor use.