It has a rejuvenating feature with the lycra fiber in its components. It tones the abdomen and hips, giving you an elegant look. With its seamless structure, it provides ease of movement during sports activities such as bending over, squats, running, yoga and pilates. It's not see-through.; The elastic waistband is non-slip and won't twist in.; 95% polyamide, 5% elastane (Lycra); Model measurements: Bust 86 cm, waist 62 cm, hips 91 cm, height 178 cm; The leggings in the image are size S