Piston 3 Skinny JeansWhen your jeans become an almost literal second skin, thats when you know youre wearing the Piston 3 Skinny. Stretch like never before Thanks to the development of 16. 7oz. CORDURA PWR Hyperstretch denim with COOLMAX and THERMOLITE, we were able to make the mid waist Piston 3 Skinny jeans our skinniest ever. And since the stretch is as stretchy as we could get, we could make these jeans hug the body even tighter, for a look that transitions naturally