Carhartt Rugged Flex Duck Double Front Work Pants Gray 34x34 Relaxed Fit BN3334 Pre-owned Carhartt Rugged Flex Relaxed Fit duck double front utility work pants in gray. Features Rugged Flex stretch canvas, reinforced double-front construction with knee pad openings, utility pockets, and hammer loop. These show honest work wear with scattered paint marks and light abrasions from use. No major tears noted. See photos for condition and measurements.