Learn More About Women's Workout Leggings at Sfytt. These Opaque Sfytt High Waisted Workout Leggings are the perfect blend of spandex and polyester giving you the stretch you need to accommodate all of your intricate yoga poses. Fitting flush against your skin, these workout leggings move with you without bunching, pinching, or pulling for a yoga workout immersed in comfort. We only make the best quality essentials that last wear after wear. Perfect match with Crop Tops, T-Shirts, or sports bras.