High-quality integrated plastic windows make the machine's controls visible. Neoprene lining adjusts perfectly around coat or mitts and keeps in the warmth of heated grips. Allows operation without gloves and increases driving comfort and precision. Made of 600-denier nylon/polyester, polyurethane coated, resistant and waterproof. Window made of high-quality plastic and is resistant to cold. The sleeve's opening is reinforced with a very resistant plastic to prevent sagging, which allows for quick access to the handlebar at all times. Designed shorter than ATV muffs for a better fit on snowmobiles. Reflecting band affixed on the outside, increasing visibility. The adjustable inside attachment allows for installation of these muffs on different types of snowmobiles. Attachment strap added for installation on snowmobiles with rigid handguards.