Up to 89% reduction in critical cervical spine injuries; Collarbone injuries up to 45% MORE likely WITHOUT a neck brace; New lightweight and flexible product design for better fit and comfort; 3DF AirFit ventilated soft impact foam; Number plate clip-in function (Number Plate not included); CE tested and certified as Personal Protective Equipment 89/686/EEC; CE tested and certified as impact protection: Chest prEN1621-3 Level 1, Back EN1621-2 Level 1, Shoulder EN1621-1; Engineered fracture point on rear thoracic strut designed to snap off in an emergency; Collarbone cut-out helps to protect your most fragile bones; Weight: From 1.380g (3.04lbs)