Removable CE-certified Bio-Armor shoulder and elbow protection Durable 1.3mm leather construction with flexible poly-fabric and leather accordion stretch panels on back, waist and arms Chest compartments with PE padding (Alpinestars" Bionic chest pad available separately) Multiple snap button system to integrate the Level 2 CE-certified Alpinestars Bionic back protector (protector sold separately) External, dual-density TPU shoulder sliders Strategically positioned perforated leather zones on front and back Poly-fabric stretch inserts on sleeves Auto-locking zippered cuff adjustments MotoGP-profiled, aerodynamic and perforated back hump Multiple external perforated leather panels with foam inserts Zippered Dynamic Flow Control air intakes External zippered hand pockets and internal pocket, plus wallet pocket D-ring waist adjustment Neoprene comfort edge on collar and cuff Rear reflective detailing for improved rider visibility Mesh lining improves jacket"s breathability