Wool Blend Winter Ivy Cabbie Hat w/ Earflaps, Multifunctional Gatsby Driving Cap 50% Wool 50% Polyester Spot clean with a damp cloth. Wool Poly Blend - 50% Wool 50% Polyester - Keeps you cozy Fall through Winter Handsome Classic Ivy Cabbie Hat for Men with Fleece Lined Earflaps Handy built-In ear flaps - easily unfolds from inside of cap when needed Interior has a comfortable fabric elastic sweatband, gives a nice snug fit Ships with Free size-reducing foam tape - Use to reduce or customize fit