Key Features The back protector is a composite construction with a central, semi-rigid thermoplastic zone on a Nucleon Plasma Back Protector for optimal impact force distribution in the critical area The Plasma M design provides airflow and heat dissipation The M design is repeated in the aligned, semi-rigid area for unobstructed ventilation The soft back ensures structural integrity of the protector by preventing possible breakage Fully adjustable shoulder and waist straps for a customized fit Detachable shoulder straps allow for quick Conversion to race-specific protector Construction Plasma is made of bio-based, environmentally friendly and sustainable shock-absorbing material Ultra-comfortable, soft and flexible Nucleon Plasma viscoelastic blend for improved rider comfort Highly breath.