The fleece lined facemask has an acrylic outer shell and a polyester fleece lining inside. It provides soft comfort, warmth and durability. The expandable opening makes for an easy fit. It is also supported by wigwam and its 110 + year history and reputation as a quality USA family owned business that stands behind their products. This item is made in the USA and carries the wigwam 2-year guarantee. Visit www.wigwam.com for more details