Carhartt Loose Straight Washed Duck Double-Front Dungaree Marked 31x30 but measure 30x29.5 Hard work calls for hard-wearing clothes like the Carhartt double-knee pants in washed duck. These 100% cotton work pants offer legendary durability with a loose fit through the seat and thighs for easy movement and an assortment of front, back, and side pockets to keep essentials close at hand. *12-ounce, 100% cotton ringspun washed duck canvas *With a roomy fit through the hips and thigh and cuffs that fit easily over work boots *Double-layer knees with openings for adding knee pads and cleaning out debris *Multiple tool and utility pockets with left-leg hammer loop