New Motorcycle Carbon Fiber Knuckle Leather All Season Biker Riding Gloves L Made of top grain aniline drum dyed cow hide leather. Carbon fiber is used on top of knuckles with rubber and air cushion for protection. This material is strong and light weight. Reinforced layer of leather on palm along with Aramid mesh for extra strength. Two adjustable hook and loop belts in each glove with elasticized wrist band make it very easy to fit. Dual layer of leather and dual stitching around areas highly prone to stress.