Reinforced fly and stretch in crotch. Nail pockets with tool pockets and HTFR Dobby reinforcement. Side pockets. Cargo pocket with stretch zone and flap with concealed keyring holder, mobile phone pocket with flap. Ruler pocket with tool pockets and knife button with loop. Shaped knees with kneepad pockets in HTFR Dobby and stretch zones. Back yoke in stretch. Back pockets with pocket flaps. Back hem in HTFR Dobby. Adjustable foot width with press studs.