The Alpinestars Bionic Action V2 Protective Jacket is a CE and UKCA off certified ultra-lightweight protective jacket that offers excellent upper body impact protection is ideal for the physical demands of motocross. Ventilated EN1621-2 Back Level 1 EN1621-3 Chest Level 1 EN1621-1 Lev 1 protections This protector features an all-new Cell Technology chest protector for optimal ventilation, while its split construction ensures a quick and easy fit. The Cell Technology back protector is ergonomically designed for a better adaptive fit. Both front and rear protectors are supported by foam padding for a secure and comfortable snug fit. The all new Cell Technology chest protector features a highly perforated shell for high levels of ventilation and protection. Features a new Cell Technology back protector with a flex channel for increased mobility. The protectors are perforated for maximum breathability and cooling ventilation. The bungee closure system features newly designed, quick and easy-to-use buckles that accommodate a wide range of rider sizes. Padded chassis for optimized levels of comfort and a close-to-body fit. The shoulder straps feature a specially designed rotating buckle where the strap meets the chest protector to facilitate greater arm articulation. Compatibility of Bionic Neck Support with BNS A or X-Strap systems available as accercory upgrade.