Wolf?s new Sof-T Thyroid Collar provides the wearer the ultimate in protection and comfort. By combining an outer shell of soft, stain resistant nylon and a super pliable, lightweight lead equivalency protective core material, Wolf?s Sof-T Collar is a unique addition to it?s extensive line of protective apparel. The collar is held in place by an adjustable velcro closure and it?s sleek design allows for maximum neck mobility. The Sof-T Collar is 0.5mm lead equivalency protection. See color and pattern choices below.