Alpinestars Nucleon KR1 Cell Back Protector

The Alpinestars Nucleon KR1 Cell Back Protector uses Cell Technology for a lightweight back protector with plenty of flexibility. Add the KR1 underneath your race suit or whatever gear you're running for a full coverage back protector that straps to your body.

Features:

• 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
• Compatible with the Nucleon KR-C chest protector by removing the adjustable straps
• Compatible with the Nucleon KR-TB tail bone protector for extended lower spine protection
• Height adjustable kidney belt featuring dual hook and loop closure system for easy, secure closure
• Soft Bio-Foam padded chassis for maximum comfort