Carhartt Canvas Work Shorts. Color: Fatigue. An excellent lightweight choice, our canvas work short is made of 7. 5-ounce, 100% cotton canvas work with a 10-inch inseam. The left leg features a hammer loop and ruler pocket, while the right leg includes a pocket for a cell phone or tools, plus a utility band. It also has extra wide belt loops. The back pockets feature reinforced seams. - 7. 5-ounce, lightweight, 100% ring-spun cotton canvas - Left-leg hammer loop - Right-leg pocket for cell phone or tools.