Alpinestars Nucleon KR-1 Cell Back Protector Helmet Accessories Manufactured from aircraft grade aluminum

Manufactured from aircraft grade aluminum and powder coated for durability

2-Layer fixed waterproof membrane for proven wet weather performance

Optimized air circulation through various vents and internal ventilation channels

CE approved Class C garment

CE certified EN 1621-3 Level 1

Alpinestars Nucleon KR-1 Cell Back Protector Helmet Accessories Manufactured from aircraft grade aluminumAlpinestars Nucleon KR1 Cell Back Protector The Alpinestars Nucleon KR1 Cell Back Protector uses Cell Technology for a lightweight back protector with plenty of flexibility. Add the KR1 underneath your race suit or whatever gear you're running for a full coverage back protector that straps to your body. Features: Cell Technology back protector is constructed from a high performance polymeric material blend for optimized flexibility and excellent