Learn more about Carhartt Carhartts Mens Buffalo Cap is made of 100% cotton duck with a breathable, polyester mesh back. CoolMax sweatband wicks away moisture for added comfort. Adjustable plastic-snap back. Logo on front. One size fits most. Imported. Colors: Tan, Dark Khaki, Gravel, Black, Dark Blue. Carhartt Style No.: 100286. Type: Headwear.