The Nucleon KR-R Hybrid Back Protector is an innovative back protector for track and racing. Offering high-performance cooling, flexibility, and an anatomical shape, this hybrid of hard shell and energy-absorbing viscoelastic memory foam is lightweight and breathable to optimize protection and comfort.

Features include a waist adjustment for a personalized fit, a snap system to attach the back protector to a suit or jacket, and a slim, ventilated lumbar belt for added safety.

The Nucleon KR-R Cell is an innovative back protector for track and racing.
Developed in three sizes from waist to shoulder to cover all body sizes.
The new back protector with Cell technology is made from a blend of high-performance polymer materials for optimal flexibility and excellent weight-saving properties.
The extended lower back protector provides increased protection for the cyclist.
Highly perforated for maximum breathability and ventilation.
The ergonomically designed back protector adapts to the natural curve of the back, ensuring an optimal fit while pedaling.
Horizontal flex grooves for an adaptable fit in different riding positions.
Compatible with Nucleon KR-TB for increased lower spine protection.
Height-adjustable kidney belt with double hook-and-loop closure system for easy and secure closure.
Soft, bio-foam padded frame for maximum comfort.