Alpinestars Tech 1-R Leather Jacket 1.3mm top grade leather with extended perforated panels on the front for ventilation. External PU shoulder protectors derived from Alpinestars Racing Development program. MotoGP profile, perforated, back hump for improved aerodynamic and ventilation performance. Multiple external perforated leather panels on chest and back with foam padding inserts. Innovative side accordion stretch panel to enhance fit and flexibility. Functional accordion stretch inserts on elbow and shoulders. Aramidic stretch panels on sleeves. Fixed liner with 3D mesh liner insert on the back for comfort. -- D-ring waist adjustment. YKK front zip closure and YKK semi auto locking wrist closure. CE certified GP Series elbows protectors. Chest pad compartments with PE padding (Alpinestars Bionic chest pads available as accessory upgrade). Back compartment with PE padding (CE certified RC back protector available as accessory). Multiple snap button system to integrate the Level2 CE Certified Alpinestars Bionic Race Back protector. Waist zipper connection allows attachment to selected Alpinestars leather and textile pants.