Alpinestars Nucleon KR-1 Cell Back Protector — L, Black

Advanced cell-structured back protector engineered for impact absorption and excellent weight savings.

• Cell Technology uses a high-performance polymeric material blend for optimized flexibility and reduced weight.
• Developed in three waist-to-shoulder dimensions to accommodate different body sizes.
• Extended lower section delivers additional lumbar coverage and protection.
• Highly perforated construction ensures maximum breathability and ventilation.
• Horizontal flexion grooves adapt to varied riding positions for improved comfort.
• Adjustable, detachable elastic shoulder straps with snap-fit system for enhanced comfort.
• Height-adjustable kidney belt with dual hook-and-loop closure for secure, easy fastening.
• Soft bio-foam chassis provides superior everyday comfort.
• Certified: back protector EN 1621-2:2014 Level 2.
• Material composition: 39% Thermoplastic Elastomer, 21% Polyester, 19% EVA, 9% Polyurethane, 7% TPU & 5% Other.

Designed to balance protection, comfort and ventilation for confident riding.