ALPINESTARS BIONIC PRO V2 BLACK YELLOW FLUO PROTECTION JACKETPremium materials combined with innovative design create a protector that is light, ergonomic and extremely durable. Constructed from a breathable stretch mesh it offers high levels of ventilation while keeping the protection close to the rider’s body. Compatible with Alpinestars BNS and with Bionic Hydration Pack.• Slim fit stretchable fabric construction.• Features a floating, highly ventilated and flexible thermoformed chest protector.• Protector for comfort and freedom of movement on the bike.• Central front zipper for a better fit and ease of donning.• Additional front padding on the arms and chest for enhanced roost protection.• Height adjustable kidney belt for an optimal fit.• BNS compatible with a removable back puck panel and elastic BNS cords on the shoulders straps.• New Cell Technology back protector that is highly ventilated and flexible.• Bionic Hydration Pack compatible.