CARHARTT. 103554253. MENS RUGGED FLEX RIGBY LONG-SLEEVE WORK SHIRT. DARK KHAKI. This men s long-sleeve work shirt provides the range of motion you need when chopping wood or filling a grain bin. It s made of heavyweight cotton that feels soft yet durable and it packs just enough stretch that you can reach overhead with ease. Built to move with Rugged Flex stretch technology. Carhartt-strong triple-stitched main seams. Button-down collar and front. Two-button adjustable cuffs with extended plackets. Droptail hem for additional coverage. Two chest pockets and left-chest pocket panel.