Alpinestars Nucleon KR-Cell Back Protector — XL, Black

The Nucleon KR-Cell Back Protector delivers ergonomic, lightweight protection designed to follow the natural curve of the spine and perform in the riding position.

Single-injected compound shell constructed with a triple-layer design absorbs impacts while allowing maximum airflow.

Back hard shell plates are made from a high-performance polymeric material blend and are highly perforated for optimized flexibility, excellent weight savings, and superior ventilation.

Developed in three waist-to-shoulder dimensions to cover all body size types, with horizontal flexion grooves for an adaptive fit.

Soft bio-foam padded chassis and adjustable, detachable elastic shoulder straps with a snap-fit system provide comfort for long rides.

Includes a kidney belt with a dual hook-and-loop closure system and is compatible with the Nucleon KR-C protector; certified EN 1621-2:2014 Level 1.