EVS RC EVOLUTION NECK BRACE (X-LARGE) (BLACK) Providing the ultimate in neck protection, the EVS RC Evolution Neck Brace by EVS has been designed from it's inception with the assistance of top orthopedic professionals to reduce neck compression and extension related injuries (the cause of serious spinal chord damage) while riding your motorcycle or ATV. EVS RC Evolution Collar Details: The EVS RC Evolution Neck Brace features a modular collar for easy ergonomic fit. TPR frontal closure. Hook and loop connection for on-the-fly attachment and detachment. Adjustable height allows the RC Evolution to be a customized fit.