Nucleon KR-Cell CiS Chest Protector

High-performance, lightweight protection with maximum airflow.
The Nucleon KR-Cell CiS Protector is engineered for riders seeking track-ready chest protection, ergonomic fit, and superior impact absorption. Featuring advanced Nucleon Cell technology, it delivers lightweight, ventilated, and body-adaptive protection for high-performance riding.

Construction & Materials

• Ergonomic structure design balances force dispersion and energy absorption across the chest.

• Unique CELL microstructure offers advanced energy absorption, adaptivity, and maximum airflow.

• Soft airmesh lining on the body side enhances breathability and rider comfort.

• Double-layered chest shell plate made from a high-performance polymer blend for flexibility and weight savings.

Protection

• Ergonomic plate contours to the natural curve of the chest and back for optimal fit and safety.

• High-performance, super lightweight construction designed for track and race use.

Ergonomics & Fit

• Four-button secure engagement ensures a snug fit with Alpinestars slim-fit jackets.

• Adaptive, body-conforming design maximizes comfort and mobility while riding.

The Nucleon KR-Cell CiS Chest Protector delivers professional-grade safety, ventilated comfort, and lightweight, track-ready performance — ideal for riders demanding the best in protection and fit.