... hat , baseball capAcrylic(cheap) – mainly for snapback hatCotton(brushed ,washed ,twill) – baseball capLinen – fashion army/military capMesh – trucker capWool( lana , fleece ... material according to buyer's demand such as checked fabric, twill ,washed fabric, denim, slubbed fabric, water scrubbing material ,4.Back ClosureVelcro bar adjusterBrass ...