Zappos.com is proud to offer the Outdoor Research - Norse Hat (Black) - Hats: Sometimes even Scandinavians get cold. Pull on the Norse Hat when the mercury hits the floor and winter's grip is reaching for you. ; Insulating Radiant Fleece fabric. ; WINDSTOPPER brushed tricot lining blocks wind. ; Back stretch panel provides sure fit. ; Flatlock seams prevent chafing. ; 95% polyester, 5% spandex. ; Machine wash cold and tumble dry low. ; Circumference: 22 in ; Product measurements were taken using size S/M. Please note that measurements may vary by size.