The Nucelon KR-2 is a premium 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 optimised 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