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

Nucleon KR-1 Cell Back Protector

Engineered to deliver high protection with minimal weight, the Nucleon KR-1 Cell back protector uses advanced cell technology in a polymeric blend to optimize flexibility and impact management. Perfect for riders seeking extended lower-back coverage and ergonomic motion during aggressive riding positions.

• Constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight saving properties.
• Developed in three waist-to-shoulder dimensions to cover a wide range of body sizes and shapes.
• Extended lower back protector offers additional protection to the rider's lumbar area.
• Highly perforated for maximum breathability and ventilation to reduce heat build-up.
• Horizontal flexion grooves allow an adaptive fit across different riding positions and movements.
• Adjustable and detachable elastic shoulder straps use a snap-fit system for secure comfort and easy removal.
• Height-adjustable kidney belt features a dual hook-and-loop closure system for a quick, secure fit.
• Soft bio-foam passed chassis for enhanced comfort against the body.
• Certified EN 1621-2:2014 Level 2 for verified impact protection.

Composition: 39% Thermoplastic Elastomer, 21% Polyester, 19% EVA, 9% Polyurethane, 7% TPU, 5% Other.