Carhartt WIP Double Knee Pants Black (Aged Canvas)The Double Knee pant s durability, straight-leg fit and double-layered knees made it a favourite of farmers in the 1930s. Now it is a streetwear staple thanks to its unwashed, raw and real pattern. It is constructed from Carhartt s iconic 12oz Dearborn Canvas. Triple-stitch detailing ensures durability. 100% Cotton 12oz Dearborn Canvas Fabric Relaxed Straight Fit Triple-Stitched Bartack Stitching at Vital Stress Points Button Closure Zip-Fly 7-Pocket Design Hammer Loop Reinforced Double-Layer Knees Woven Logo Patch Style Code: I031501 893K.