Carhartts Mens Double-Front Washed-Duck Dungarees feature a chap-style double front protects the knees from wear and tear for those jobs that take a toll on clothing. 12-oz. cotton-duck construction and rivets at all stress points gives them the durability Carhartt is known for. Tool and ruler pockets and a hammer loop. Imported. Inseams: 30, 32. Waist sizes:28-35, 36-50 (even). Inseam: 34. Waist sizes: 28-35, 36-46 (even). Inseam: 36. Waist sizes:30-35, 36-40 (even). Colors: Carhartt Brown, Dark Brown, Black, Gravel, Moss. Carhartt Style No.: B136. Type: Pants.