Alpinestars - Nucleon KR-1 Cell Back Protector

Cell Technology back protector is constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight saving properties, Developed in three waist-to-shoulder dimensions in order to cover all body sizes, Extended lower back protector offers more protection to the rider, Highly-perforated for maximum breathability and ventilation, Horizontal flexion grooves for an adaptive fit in different riding positions, Adjustable and detachable elastic shoulder straps via a snap fit system for greater comfort, Height adjustable kidney belt featuring dual hook-and-loop closure system for easy, secure closure, Soft Bio-Foam passed chassis for maximum comfort