Thick & Stretch: This fabric not only has the features of high elastic but also has a good rebound resilience. Moreover, it is breathable, and good at moisture absorbing and sweat releasing, fast drying. High-Waist Legging & Crop Top: Both of them are slim-fit, helping to show off your body curves perfectly with tummy control and butt lift. Besides, the special ribbed texture helps keep them in place during workout, non-slip.