Leatt 5.5 Neck Brace Small/Medium BlackIndependently lab and rider tested, proven to reduce neck forces and neck injuries through transferring the load during an accident away from the fragile bones in the neck. Up to 89% reduction in critical cervical spine injuries Collarbone injuries up to 45% MORE likely WITHOUT a neck brace Independent Moto motorcycle study by Action Sports EMS Engineered collarbone cut out to keep your helmet rim away from your most fragile bones Optimal helmet rim