Roomy side cargo pockets with flaps and concealed snaps. Reinforced knees with bottom vent. Right side hammer loop. 1000 Denier Cordura® lined back pockets. Patented leather tape measure reinforcement on right front pocket. 13-inch deep front pockets. Constructed from 10 oz. 100% cotton ripstop fabric with our exclusive room2move Fit: Improved fit in seat, thigh, knee and bottom opening. Action gusset. 3.75 oz. 100% cotton brushed flannel lining.