Alpinestars - Nucleon KR-R Cell Back Protector

Developed in three waist-to-shoulder dimensions in order to cover all body sizes, The new Cell Technology back protector is constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight saving properties, Extended lower back protector offers many protection to the rider, Highly-perforated for maximum breathability and ventilation, The ergonomically designed protector contours to the natural curve of the back ensuring an optimum fit while riding, Horizontal flexion grooves for an adaptive fit in different riding positions, Height adjustable kidney belt featuring dual hook-and-loop closure system for easy, secure closure, Soft Bio-Foam padded chassis for maximum comfort