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Alpinestars A-4 Max Chest Protector

Lightweight and breathable chest and back armor that excels in hot weather. Includes kidney protectors and allows fitment for Alpinestars BNS neck braces. The A-4 Max Chest Protector from Alpinestars is among the most flexible dirt armor around. 


  • 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
  • Back Protector: EN 1621-2:2014 Level 1
  • Chest Protector: EN 1621-3:2018 Level 1
Read More
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style XS-SM / Black/Yellow Item # 1725199 Store SKU Manufacturer Product # 6701520-1155-X/2X Availability In Stock: Ships next business day
Product Style MD-LG / Black/Yellow Item # 1725200 Store SKU Manufacturer Product # 6701520-1155-M/L Availability In Stock: Ships within 24 hours
Product Style XL-2XL / Black/Yellow Item # 1725201 Store SKU Manufacturer Product # 6701520-1155-XXL Availability In Stock: Ships next business day
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