Alpinestars Nucleon KR-Celli Back Protection Insert - Medium (Part #6503919M)

Designed by Alpinestars, the Nucleon KR-Celli back protection insert offers advanced safety features in a lightweight and flexible design. This back protector is constructed from a high-performance polymer blend that provides superior energy absorption and force dispersion, ensuring maximum rider protection without sacrificing mobility. The triple segmented back shell plate enhances flexibility and weight savings, making it ideal for riders seeking comfort and safety in a single solution.

The structural design from the center outward distributes impact forces effectively while maintaining a slim profile. Its unique cell microstructure is engineered for superior energy absorption, adaptivity, and breathability, promoting airflow to keep the rider cool during demanding rides. The ergonomic contouring of the protection plate follows the natural curve of the back, ensuring an optimal and comfortable fit across various riding positions. Horizontal flexion grooves further improve adaptability, allowing the protector to move naturally with the rider’s movements. The soft airmesh on the side that contacts the body enhances breathability and rider comfort, making it suitable for extended use.

This back protector insert combines innovative materials and thoughtful design to provide a high level of safety, comfort, and flexibility. Whether you're engaging in motocross, trail riding, or other high-impact sports, the Alpinestars Nucleon KR-Celli insert ensures you stay protected with minimal weight and maximum comfort. Its durable construction and ergonomic features make it an essential piece of protective gear for serious riders seeking reliable impact protection integrated seamlessly into their riding gear.

Features:

• Lightweight construction with a total weight of approximately 0.13 pounds

• Triple segmented back shell plate for enhanced flexibility and weight savings

• High-performance polymer blend for optimized energy absorption

• Structural design from center to outside for effective force dispersion

• Unique cell microstructure for advanced impact energy absorption and breathability

• Ergonomic contouring to fit the natural back curve for maximum comfort

• Horizontal flexion grooves for adaptive fit in various riding positions

• Soft airmesh on the body side for superior breathability and rider comfort