Features Cell Technology chest protector with a perforated shell for high levels of ventilation and protection, Cell Technology back protector with a flexion channel for enhanced mobility, Protectors are perforated for breathability and cooling ventilation, Elastic closure system features newly designed quick, easy-to-use buckles that fit a broad range of rider body sizes, Padded chassis for comfort and close-to-body fit, Shoulder straps feature a specifically designed rotating buckle where the strap meets the chest protector to facilitate enhanced articulation of the arms, Bionic Neck Support compatibility with the BNS A or X-Strap Systems available as an upgrade