Duro-Med Soft Foam Cervical Collar offers soft comfortable support while helping to reduce head and cervical vertebrae movement. Made of soft contoured polyurethane foam, it is covered with a ribbed stockinet for air circulation while reducing heat buildup. The Soft Foam Collar has a 1.2 density foam and 33 compression rating. Featuring hook and loop closure, the collar is washable. Sizes available based on neck circumference: S (12"-13-1/2"), M (13-1/2"-15-1/2"), L (15-1/2"-17-1/2"), XL (17-1/2"-21-1/2").