The ZANheadgear® SportFlex™ Series Microfleece Fleece ear warmer headband features a soft yet, durable stretchy shell lined with warm and super soft Cozy Fleece on the inside. This product is ideal for colder climates and has the added benefits of our best selling SportFlex™ fabrication on the outside. Perfect to wear on your head to keep it warm. Heavy-weight and machine washable, one size fits most adults. 50+ UPF Protection. Materials: 87% Polyester, 13% Elastane.