Alpinestars Nucleon KR-1 Cell Back Protector Helmet Accessories Hand welded throughout

Hand welded throughout

CE approved Class C garment

45mm speaker pockets for add DWO-1 Lite or other Bluetooth communicator (sold separately)

Optimized air circulation through various vents and internal ventilation channels

Alpinestars Nucleon KR-1 Cell Back Protector Helmet Accessories Hand welded throughoutAlpinestars 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