NWOT Carhartt Canvas Cap - Black One Size Velcro closure The Carhartt® Canvas Cap combines toughness with comfort. It's made from 100% cotton canvas to withstand hard use, and it has a Carhartt Force® sweatband with FastDry® technology to catch sweat, wick it away, and fight odors. A Carhartt leatherette label on the front of this sturdy workwear cap lets everyone know your chosen brand of rugged workwear. This light-structured, medium-profile Carhartt hat has a hook-and-loop closure for an adjustable fit.