Alpinestars Tech 1R Leather Suit 1.3mm top grade leather with extended perforated panels on upper and lowerbody for improved ventilation. External PU shoulder and knee protectors developed on track in MotoGP and WSB. 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 U-shape back accordion stretch panel, engineered to improve flexibility and fit for performance riding. Accordion stretch inserts on elbow and knees help movement and comfort on the bike and in the Paddock. Aramidic stretch panels on sleeves and crotch areas to further improve fit and feel. Removable inner mesh liner with 3D mesh liner insert on the back for comfort. YKK front zip closure and YKK semi auto locking wrist closure. Patented calf expansion pockets improve range of fit and comfort. CE certified GP Series elbow protectors. Alpinestars pioneering one piece CE approved GP-R knee/shin protectors. Chest pad compartments with PE padding (Alpinestars Bionic chest pads available as accessory upgrade). Multiple snap button system to integrate the Level 2 CE Certified Alpinestars Bionic Race Back protector.