Highly flexible and breathable, the Alpinestars Nucleon KR-3 Back Protector is engineered for maximum performance. Using hard shell backed with a soft viscoelastic PU foam compound, the KR3 achieves both max comfort and extraordinary impact absorption.
Features
3 waist-to-shoulder dimensions in order to cover all body sizesLattice-structured back shell plate constructed from a high performance polymeric material blend for optimized flexibility and excellent weight-saving propertiesSoft viscoelastic PU foam compoundErgonomic design design to absorb high impacts and allow maximum breathability and air flowNucleon PU foam on the central spine for extraordinary impact absorption performanceConvex central hard shell provides highest protection for the spineHorizontal flex grooves for adaptive fit in all riding positionsAdjustable rib protector constructed of high performance polymeric material blend for additional side protectionShoulder blade protective padding extensions protect the acromion boneWaist adjustment for customized fitSlim vented kidney belt for added position stability and securityAdjustable, detachable elastic shoulder strapsCompatible with the Alpinestars Nucleon KR-C Chest Protectors (sold separately)Compatible with the Alpinestars Nucleon KR-TB Protector (sold separately)CE certified to EN 1621-2:2014 Level 2
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