Founded in 1963, Alpinestars has built a reputation of innovation and prestige. Now, fifty years later, Alpinestars is synonymous with quality, protection, technology and style. Alpinestars develops world-class technical apparel and footwear for all forms of motorcycling, auto racing and action sports as well as offering a large range of stylish casual clothing.
Front and back hard shell guards constructed from a performance poly-material blend for optimized flexibility and excellent weight saving.
Shells are CE Certified: Front shell CE Certified against EN 14021 (stone shield); Back protector CE Certified according to the EN 1621-2:2014 Level 1.
Shells are perforated for maximum breathability and cooling ventilation, perfect for those hot dusty track rides.
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.
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 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 tail extension for extended coverage to the coccyx area.