'47 NBA Breakaway Cuff Knit Hat 100% Acrylic Yarn Imported Stretch fit - one size fits most; 100% Acrylic Yarn Support your Boston Celtics while keeping warm with this knit cap from '47 Brand Striped pattern with tri-color pom Raised embroidered graphic on front Officially Licensed by Major League Baseball Stretch fit - one size fits most; 100% Acrylic Yarn