... Certification: EN533,EN470-1,EN531 Material: 175g---310g 100% Cotton with en-freindly FR treatedSize: S,M,L,XL,2XL,3XL ... rear patch pockets3,Two large double-stitched chest pockets, one with flap and one without flap4,Reinforced tool pocket on right ... suit to mining, welding, engineering, oil and other chemical industry Flame Retardant Work Overall