The NUCLEON KR-2 is an ultra-lightweight, premium adventure touring back protector CE certified Level 2 to the latest back protector standard revision and incorporating articulated vertebrae protection for superb performance and comfort, especially on longer rides. CONSTRUCTION Adventure touring back protector CE certified Level 2 to the latest back protector standard revision (EN1621-2:2014). Extremely lightweight, highly breathable and incorporating reinforced protection this back protector is optimized for comfort on longer journeys. An innovative fusion of energy absorbing viscoelastic memory foam with articulated vertebrae protection - the NUCLEON KR-2 is flexible and ergonomically profiled for performance. Features include waist adjustment for customized fit, a snap-on system to fix protector to a suit or jacket and a slim vented kidney belt for added security. Comes in international sizes XS-XL.