Learn more about Carhartt. Carhartts Mens Rugged Flex Rigby Dungaree Pants are a durable, great-looking choice for guys on the go. These Carhartt work pants have a relaxed fit and stretch construction that wont restrict your range of motion. Sewn-on-seam belt loops and reinforced slash pockets take durability up a notch. Oversized back pockets and a right-leg pocket are great for your gear or cell phone. Carhartt Rugged Flex Rigby Dungaree Pants for Men are made of midweight 98% cotton/2% spandex with a generous cut through the seat and thighs. Machine wash. Imported. Inseams:30, 32.Waist sizes:30-33, 34-44 (even). Inseam:34.Waist sizes:30, 31 32, 33, 34-42 (even). Inseam: 36. Waist sizes: 32, 33, 34-38 (even). Colors:Dark Khaki. Carhartt Style No.:102291. Type: Jeans.