Alpinestars Nucleon KR-3 Back Protector — L, Black
Bank transfer
Developed in three waist-to-shoulder dimensions to accommodate a wide range of body sizes and ensure comprehensive coverage.
The lattice-structure back shell is produced from a high-performance polymer blend to optimize flexibility, weight savings, and airflow.
Soft viscoelastic polyurethane foam compounds and targeted PU foam on the central spine area enhance impact absorption where it matters most.
An additional convex design on the central hard shell, combined with horizontal flex grooves and shoulder-blade padding extensions, delivers adaptive protection across riding positions.
Adjustable rib protector, slim vented kidney belt, and detachable elastic shoulder straps with a snap-fit system provide a customizable, stable fit.
Compatible with complementary chest and tailbone protectors and certified to EN 1621-2:2014 Level 2 for back protection.
Constructed from a blend of high-performance compounds for durable, lightweight performance and rider comfort.
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