Whether you use this legging for workouts or as part of your everyday look, it always works. The Sienna legging is Flattering with a capital F, and thanks to the stretch, it's incredibly comfortable. This is a shaping legging, meaning it molds to your body, accentuating all the right places while concealing others. The legging by Lune is made from recycled polyester with a generous amount of spandex.