The pre-shrunk, top quality fabric contributes to the professional appearance of this garment. Various pockets and a hammer loop complement the all-purpose styling. Kingsmill: 65% Polyester, 35% Cotton. Portwest products are manufactured to the highest standards with quality materials to ensure durability, comfort, and style. Max wash temp 60C, normal process. Do not bleach. Tumble dry low. Drip line dry. Iron max 150C. Do not dry clean.