Alpinestars Nucleon KR-3 Back Protector — Size XS

Designed in three waist-to-shoulder sizes to cover a wide range of body shapes.

Single-injected lattice shell made from a high-performance polymer blend provides excellent flexibility, weight savings and maximum airflow.

Soft viscoelastic PU foam and a Nucleon PU foam layer along the central spine deliver layered impact absorption for critical areas.

Additional convex design on the central hard shell and horizontal flex grooves enhance spinal protection and adaptive fit in all riding positions.

Adjustable rib protector, shoulder-blade padding extensions and a slim vented kidney belt provide added side protection and position stability.

Detachable elastic shoulder straps with a snap-fit system and waist adjustment allow a customized, secure fit.

Compatible with KR-C and KR-TB protectors. Back protector certified to EN 1621-2:2014 Level 2.

Construction: polyurethane and TPU foam compounds with polyester and nylon reinforcements for durable, lightweight protection.