Engineered collarbone cut-out to keep your helmet rim away from your most fragile bones Composite 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 tothe back Sliding front and rear SureFit adjusters offer Three-way adjustability for that perfect fit Sculptured, split front for improved comfort and fit Low profile push-button open/closure system Easy-to-use emergency release mechanism Injected, durable and easy-to-clean foam padding CE tested and certified as Personal Protective Equipment 89/686/EEC Weight: from 790g (1.74lbs) Plastic Free Recyclable Packaging 
