The S-MX Bionic vest features the Bionic Back Protector integrated with a chest guard and side kidney plates to offer the rider a 1pc front and back protection system for the street and race track. The vest is intended to be worn under a jacket or suit giving frontal and back impact protection during a crash. CE Level 2 Bionic Back Protector CE Level 2 protection means this protector offers double the impact performance of a CE Level 1 protector. CE Level 2 Impact performance (under 9kN of average transmitted force) in accordance with EN 1621-2 DFD (Dynamic Force Dispersion) Technology this protector is reduced in thickness and in weight 15mm thinner and 130g lighter than previous models. Flexible front chest plate, covering the Sternum, rib cage and vital organs with internal impact absorbing foam Thermoformed ergonomic front and rear bio-foam panels for additional comfort Adjustable shoulder and kidney straps for full adjustability and personalized fit, ensuring comfort while riding Ergonomically shaped side plates for side impact protection