Nucleon Plasma Back Protector — guard from ALPINESTARS. Ships direct from the manufacturer (online-only). Key Features The back protector is a composite construction and has a central semi-rigid thermoplastic zone on a Nucleon Plasma Back Protector for greater impact force dispersion in a critical area The Plasma M design delivers airflow and heat dissipation and the M design is replicated on the aligned, semi-rigid zone for unobstructed ventilation The soft tactile backing guarantees structural integrity of the protector by preventing any potential tearing Fully adjustable shoulder and fully adjustable waist straps for a customizable fit The shoulder straps are removable allowing the protector to be easily and quickly converted into a race-specific version Construction Plasma is constructed from bio-based, eco-friendly, and sustainable impact absorbing material