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Alpinestars A-4 Max Chest Protector

The lightweight A-4 Chest Protector offers high levels of CE certified upper body protection and incorporates thermoformed kidney protectors. The A-4 has an innovative strap closure system for a quick and secure fit while the modular design allows the fitting of Alpinestars BNS neck supports for the ultimate in off-road protection.


  • Shells are perforated for maximum breathability and cooling ventilation, perfect for those hot & dusty days at the track
  • Soft bio-foam padded chassis for optimized levels of comfort and close-to-the-body fit
  • Modular design means the 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
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Product Style Item # Store SKU Manufacturer Product # Availability
XS-SM / Black/Yellow 1725199 6701520-1155-X/2X In Stock: Ships next business day
MD-LG / Black/Yellow 1725200 6701520-1155-M/L In Stock: Ships next business day
XL-2XL / Black/Yellow 1725201 6701520-1155-XXL In Stock: Ships next business day