Premium protection and ultimate adjustability. Independent off-road motorcycle study by Great Lakes EMS Inc (Action Sports EMS) show that Neck braces offer: Up to 89% reduction in critical cervical spine injuries, Collarbone injuries up to 45% MORE likely WITHOUT a neck brace. Engineered collarbone cut-out to keep your helmet rim away from your most vulnerable 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. Adjustable, four-angle Thoracic strut engineered to break away before applying excessive pressure to the back.