Alpinestars Jaws Perforated Leather Jacket Features Removable CE-certified Bio-Armor shoulder and elbow protection Durable 1.3 mm leather construction with flexible microfiber and aramidic stretch panels on back, chest, waist and arms Chest and back pad compartments with PE padding (Alpinestars Bionic chest pads and Back Armor available as accessory upgrade) Multiple snap button system to integrate the Level 2 CE-certified Alpinestars Bionic Back protector Cuff adjustment includes Velcro and semi-auto locking zips External, dual-density TPU shoulder sliders 3D mesh with low-profile, round-edged collar improves comfort Strategically positioned high density perforated zoning Zippered Dynamic Flow Control (DFC) air in-takes to allow efficient regulation of inner airflow Velcro and D-ring waist adjustment Neoprene comfort edge on collar and cuff Removable thermal vest Mesh lining to improve breathability Rear reflective detailing for improved rider visibility Internal waist connection zipper to allow attachment to Alpinestars riding pants