?THERMAL FLEECE INNER: ROCKBROS bike handlebar mittens are made of 3M THINSULATE thermal fleece inner. The outer material is the 420D nylon that the bar mittens can provide a perfect windproof space for your hand. Support using it under 20 degrees F in winter. (Notice: Using with the winter gloves to get best warm performance.) ?THE BEST WINDPROOF MITTS: We used three structures to prevent the wind entering the mittens. First, we add a small elastic polyester on arms that the wind would not enter from the forearm. Second, there are two closures on the handlebar, one is the velcro straps, the other is the elastic band with buckle. ?CONVENIENCE POCKET: The snow bike bar mittens have two pockets with zipper. You could put your cycling gloves and keys or other things when you riding. ?REFLECTIVE SIGN: Winter mountain bike handlebar mitts has many reflective sign on the front of the mitts. Keep you safe when you riding at night or snow day. ?MULTY-APPLICATION: The handlebar mitts has a widely application. It could perfect fit on mountain bike, e-bike, ATV, snow mobile, motorcycle, etc. If you have any size problem, please let us know. Brand ?ROCKBROS Material ?Polyester Size ?Regular Sport ?Cycling, Motorcycle Racing Glove Type ?Mitten Age Range (Description) ?Adult Color ?Black Special Feature ?Windproof, Reflective, Thermal Hand Orientation ?Ambidextrous Item Package Quantity ?1 Product Care Instructions ?Hand Wash Only Item Weight ?0.42 Kilograms Closure Type ?Buckle, Hook and Loop, Zipper Style ?snowmobiles Item Package Dimensions L x W x H ?12.32 x 9.72 x 4.53 inches Package Weight ?0.42 Kilograms Brand Name ?ROCKBROS Model Name ?bike handlebar mittens Suggested Users ?unisex-adult Manufacturer ?ROCKBROS