Alpinestars A-4 Chest Protector

Front and back hard shell guards are constructed from a performance poly-material blend for optimized flexibility and excellent weight saving
Front shell CE certified against EN 14021 (stone shield)
Back protector CE certified according with the EN 1621_2: 2014 level 1
Shells are perforated for maximum breathability and cooling ventilation, perfect for those hot dusty track rides
Soft bio-foam padded chassis for optimized levels of comfort and close-to-the-body fit
Modular design means A-4 is optimized for use with Alpinestars BNS neck braces
Removable upper back padded panel for BNS neck support compatibility
Soft touch BNS puller for easy and safe engagement of the BNS
Removable and adjustable shoulder pads for size regulation with integrated BNS puller
Additional thermoformed EVA tale extension for extended coverage to the coccyx area
Adjustable kidney elastic strap incorporates thermoformed perforated rib protection panels for high levels of protection without compromising movement
Kidney closure system has newly designed, quick and easy-to-use buckles
New guard closure means one size fits a broad range of rider body types