Alpinestars Nucleon KR-1 Cell Back Protector

The back protector's cellular technology is made from a high-performance polymer blend optimizing flexibility and weight Developed in three dimensions from waist to shoulders, to cover all body types The extended lower back protection offers additional protection to the rider Significant perforation for maximum breathability and ventilation Horizontal flexion grooves for fit in different riding positions Adjustable and removable elasticated shoulder straps via a clip-on system for increased comfort Height-adjustable waist belt featuring a double hook-and-loop closure system for easy and secure fastening Soft Bio-Foam chassis for maximum comfort Protection level: 2.