Back Protector Alpinestars Nucleon KR‑Cell

The Back Protector Alpinestars Nucleon KR‑Cell offers the ideal combination of low weight, flexibility, and reliable impact protection for motorcycle riding as well as other sports activities. Its ergonomic design follows the natural curve of the spine, ensuring a perfect fit and long‑lasting comfort. The breathable, perforated outer layer also promotes effective ventilation and airflow.

The main protective structure is made of durable polymer materials that absorb impacts while maintaining high flexibility. The soft bio‑foam inner layer enhances comfort, and the adjustable shoulder straps and waist belt allow easy customization for different body types. The protector meets CE Level 1 certification and is compatible with other protectors from the Nucleon series.

Technical description:

• Lightweight, flexible back protector
• Perforated outer layer for breathability
• Soft foam inner layer for maximum comfort
• Ergonomic design that follows body shape
• Adjustable shoulder straps and waist belt
• Hook‑and‑loop fastening
• Suitable for motorcycles and sports activities
• Compatible with the Nucleon KR (chest protector) and Nucleon KR‑TB (extended tailbone protector)

Size chart: