5.5oz. No-iron twill, 100% Cotton. Soil release. Super soft hand finish. Top-stitched, lined collar with sewn-in stays. Two button-thru flapped pockets. Stitched-down front. Contrasting white stitching for an authentic work shirt look. Double yoke back. Long Tail. Matches PT52 Twill Work Pant. Bartacked pencil stall in left pocket.