nanamica | SKU: SUPF355U-NAV NUMBER:SUPF355U COLOR:KK(Khaki),HG(Heather Gray),N(Navy),K(Black) SIZE:FREE MATERIAL:Acrylic Wool Knit (60% Acrylic, 40% Wool) Beanie made of low gauge knit lightweight acrylic wool. Shallow design but turned up part can be unturned for deeper fit. Inside uses GORE-TEX INFINIUM WINDSTOPPER for excellent wind resistance. Inside Circumference Height F 18.9-24.4 6.7 (inch) Gore-tex Infinium Beanie - Navy