The Alpinestars Howler Waterproof Jacket has a 600 Denier Polyester fabric outer with PU coating for added strength and durability. The Howler has a waterproof/breathable membrane, and the interior has a removable, fully-sleeved thermal liner. For protection there is removable CE certified Bio Armor at the shoulders and elbows. As an added convenience, this Alpinestars jacket has an internal waist connection zipper for pants attachment. Check out this Mens Textile Motorcycle Jacket, other Alpinestars gear, and other motorcycle jacket options on our website: CompetitionAccessories.com!