Independently tested to provide up to 89% reduction in critical cervical spine injuries and to prevent collarbone injury by a significant amount Engineered collarbone cut-out to keep your helmet rim away from your most vulnerable bones Polymer matrix platform allows for the most efficient reduction in neck forces Optimal helmet rim striking platform is designed to redistribute neck forces and provides the helmet with freedom of movement CoreFlex split rear folding thoracic strut is designed to work with the body’s natural movements for a more comfortable fit and break away before applying excessive pressure to the back Sculptured, split front for improved comfort and fit Air flow ribbed body padding for optimum ventilation Weight: 497g (1.1 lbs) CE tested and certified as Personal Protective Equipment 89/686/EEC Plastic Free Recyclable Packaging