Full protection in the upper part with Alpinestars A-4 chest guard in black, white and red for Enduro, Motocross and Mountain Bike Downhill riders. The Alpinestars A-4 chest guard is adjustable, offers coverage even on the sides, has removable shoulder protectors, goes low enough on the back and has a modular design to be compatible for use with Alpinestars BNS neck straps. All this while remaining comfortable and with very good ventilation, thanks to the soft bio-foam padded chassis. Full coverage, perforated shells for maximum breathability and ventilation, CE Certified EN 1621_2: 2014 level 1 certification on the back protector, CE Certified EN 1402 certification on the front shell. Adjustable and removable shoulder protectors and improved clasp with easy-to-use buckles.