SRM (Best Health)'s Collar is used for cervical spondylitis, cervical neuralgia, muscular injury in cervical region, cervical disc disease, etc. The contour of the collar is anatomically designed to provide the correct posture and support. Natural ribbed-Knit stockinet cover to allow skin respiration. Supplied with three air vents to prevent irritation and to allow air flow. Comfortable & protective support. Hook-and-loop closure for quick, easy fit.