Scott Specialties Cervical Collar Foam 3.5, Large Perfect for those with a sore neck, whiplash, muscle paint, or spinal pain and material is a soft. Neck brace helps neck pain by relieving neck discomfort, holding the neck in place, relieving tension. Thick firm foam, wide at chin cut-out extra stockinette sleeve included Hook or loop closure fits to neck. Contoured cervical collar with chin cut-out, 1 thick foam covered with stockinette. Size by measuring the circumference of the neck at the adam's apple. Patient should always be able to insert a finger between neck and collar.