Exceptional Protection and Adjustability All new for 2023 is the Leatt 4.5 neck brace, with 2-way thoracic adjustability for great fit, it sits between the 3.5 and 5.5 in the way of adjustment and price. A composite matrix platform offers not only strength but also a very lightweight neck brace you won’t know your wearing. Our neck braces are designed to transfer potential injury producing forces away from the neck during an impact, to other body parts in a safe and efficient manner, thereby reducing your risk of a neck injury. Feel protected and ride with confidence. Independently 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. An Independent Moto motorcycle study by Action Sports EMS showed; up to 89% reduction in critical cervical spine injuries, and collarbone injuries up to 45% MORE likely WITHOUT a neck brace.