Product details:

Ergonomically profiled the Alpinestars Nucleon KR-R Back Protector is an innovative track and race back protection system CE certified Level 2 to the latest back protector standard revision and incorporating a multi-compound construction for excellent performance fit. Track and race back protector CE certified Level 2 to the latest back protector standard revision. With performance cooling, flexibility and anatomical contouring, this hybrid of hard shell and energy absorbing viscoelastic memory foam is lightweight and breathable for optimized protection and comfort. Includes waist adjustment for customized fit, a snap-on system to fix protector to a suit or jacket and a slim vented kidney belt for added security.