A-4 Max Chest ProtectorTriple layer chest protector features a highly perforated impact absorption insert for high levels of ventilation and protectionFeatures cell technology back protectorRemovable shoulder pads for high levels of customizationExtended padding to offer more protection against tire roost without obstructing arm movementThe protector plastic shells are perforated for maximum breathability and cooling ventilationAdjustable elastic straps incorporate thermoformed perforated rib protection panels for additional protection without compromising movementElastic closure system features newly designed, quick and easy-to-use buckles that fit a broad range of rider body sizesThermoformed padded chassis for optimized levels of comfort and close-to-body fitAdjustable shoulder straps for optimal fitBionic Neck Support compatibilitySilicon BNS pull tabs for easy and safe engagement of the BNSAdditional thermoformed EVA tail extension for extended coverage to the lower spine