The extremely lightweight Level 2 CE and UKCA certified Nucleon Plasma Back Protector Insert features Alpinestars’ Nucleon Plasma Technology. Unique to Alpinestars, Plasma is an eco-friendly, sustainable, and lightweight impact absorbing material, while its clever design delivers class-leading levels of adaptability, breathability, and ventilation. Backed with a soft-touch textile coating, this ultra-adaptive protector delivers the optimum balance of force dispersion, flexibility, and comfort.