Introducing our All New Durastretch Double Knee, the fifth evolution of our original Stretch Double Knee that we launched in 2016. With a durable 4-way stretch fabric that delivers unmatched comfort and mobility. Plus, reinforcements on high-wear areas with a heavy duty Cordura blend, ready for the toughest workdays. Packed with performance driven features like added back yoke pockets, a versatile D ring clip, dedicated pen, tool, & phone pockets with 7" secure back zipper pockets.