As low as $59.58/mo with or . (Pay in 4 interest-free payments)
ALPINESTARS Nucleon KR-3 Back Protector (Black/Red, XS) The ALPINESTARS Nucleon KR-3 Back Protector is engineered for serious impact protection on ATV, off-road, street, and adventure touring rides. Built with an ergonomic, high-breathability design and a supportive fit system, it helps keep your torso protected without feeling bulky. Key Features Developed in three waist-to-shoulder dimensions for reliable coverage across body sizes. Lattice back shell uses a high-performance polymer blend for flexibility and weight-saving comfort. Single-injected lattice structure supports impact absorption , with optimized airflow . Nucleon PU foam on the central spine for enhanced energy absorption. Convex central hard-shell design for maximum spinal protection . Horizontal flex grooves adapt to movement in all riding positions. Adjustable rib protector with high-performance polymer material for extra side impact defense. Shoulder blade padding extensions help guard the acromion bones . Waist adjustment with a slim, vented kidney belt for stability and a custom fit. Adjustable, detachable elastic shoulder straps via snap-fit system. Compatible with Nucleon KR-C and Nucleon KR-TB protectors. Product Details Type: Back Impact Protector Model: Nucleon KR-3 Size: Adult XS Base Color: Black/Red Material: Polyurethane Foam Units: Each Weight: 2.35 lbs | Dimensions: 22.6" x 9.7" x 3.5"
Developed in three waist-to-shoulder dimensions in order to cover all body sizes
Lattice structure back shell plate is constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight-saving properties combined with soft viscoelastic PU (polyurethane) foam compound construction
Single injected lattice structure shell with an ergonomic design to absorb impacts and allow maximum breathability and airflow
Nucleon PU foam on the central spine area for additional impact absorption performance
Additional convex design on the central hard shell provides the highest level of protection for the spinal area
Horizontal flex grooves for an adaptive fit in all riding positions
Adjustable rib protector made with high-performance polymeric material blend for additional side protection
Shoulder blade protective padding extensions to guard the acromion bones
Waist adjustment for a customized fit
Slim, vented kidney belt for added position stability and a custom fit
Adjustable, detachable elastic shoulder straps via snap-fit system for a comfortable fit
Compatible with the Nucleon KR-C and Nucleon KR-TB protectors
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