This ZANheadgear? Neck Gaiter features a soft yet, durable stretchy polyester shell lined with warm and super soft Cozy Fleece on the inside. Wear as a neck gaiter or pull up over the nose to wear as a half mask. The Combo Gaiter also sports a contoured cut that fits over your shoulders without bunching and its angled front and back panel allows for extra neck coverage. One size fits most.