The Gordon 2 layers vented jacket with detachable membrane offers "A" certified protection together with comfort & durability. Features Garment certified EN 17092-4-2020 class A Shoulder & elbow protectors certified EN 1621-1: 2012 Type A Level 2 Detachable mebrane waterproof & breathability totally taped, also to wear over the jacket Mesh lining 2 side pockets outside 2 pockets inside the jacket 1 pocket on the mebrane Opening cuff & bottom regulation Refractive Acerbis logo on sleeve, front & back, also in the membrane Predisposition for certified back protector SF 851 EN 1621-2: 2014 Type FB Level 2 (separately sold) Back protector size M (39-43) for jacket sizes S, M, L Back protector size L (43-47) for jacket sizes XL, XXL, 3XL Bottom regulation & inside loop customized Acerbis