1) heavy brushed cotton twill 2) flat and 3D embroidery on peak, 3) velcro closure on the back Accept OEM, buyer's design ItemSports Cap-Baseball capShapeFive or Six panelsUnconstructed or any other design or shapeMaterialCotton, polyester or othersOther material according to buyer's demand such as -Cotton,Canvas,Polyester,Lycra etcBack ClosureVelcro back strap with flat embroideryBrass,Plastic , ...