ALPINESTARS (ROAD) 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.