100% Acrylic 100% acrylic?baseball cap adjustable adult back, one size fits most. Exquisite 3D embroidered keep American great again with printed?American flag at hat brim. Polo style Baseball hat choose durable fiber fabric, classic six panel, cool and stylish. Dad hat suit for men and women, great for outdoor sport . exercise, golf and other casual occasions. This hat is high quality baseball hat for women and men. believe you can like it .