50% Polyester, 50% Acrylic. Lining Material: 100% Cotton. Fabric: Chunky Knit, Ribbed, RPET. Lining: Jersey. Fabric Technology: Breathable, Wind Resistant. Structured Crown, Tearaway Label, Turned Up Cuff. Sustainability: Amfori, BSCI, Made from Materials, REACH. Beechfield Men's Elements Wind Resistant Beanie in Dark Grey