The Nucleon KR-R hybrid back protector is an innovative track and race back protector. With performance cooling, flexibility, and anatomical contouring, this hybrid of hard shell and energy absorption viscoelastic memory foam is lightweight and breathable for optimized protection and comfort. Features include waist adjustment for a customized fit, a snap-on system to fix the protector to a suit or jacket, and a slim vented kidney belt for added security.
- The new Cell Technology back protector is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties.
- Developed in three waist-to-shoulder dimensions in order to cover all body sizes.
- Highly perforated for maximum breathability and ventilation.
- The ergonomically designed protector contours to the natural curve of the back ensuring an optimum fit while riding.
- Horizontal flexion grooves for an adaptive fit in different riding positions.
- The NUCLEON KR-R CELL is an innovative Level 2 CE-certified track and race back protector.
- Extended lower back protector offers more protection to the rider.
- Compatible with the Nucleon KR-TB protector for extended lower spine protection.
- Height adjustable kidney belt featuring dual hook and loop closure system for easy, secure closure.
- Soft Bio-Foam padded chassis for maximum comfort.
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ALPINESTARS NUCLEON BACK PROTECTOR SIZE CHART