The leggings W's Studio Tight 7/8 of the brand On running are designed for training, running, yoga and leisure. They are made of 72% recycled polyester and 28% elastane, offering an excellent balance between comfort and elasticity. Their functional design and breathable material ensure a pleasant fit throughout your activity. Their color, black, is ideal for athletes who prefer a simple and discreet look. The W's Studio Tight 7/8 leggings are designed to accompany you in your workouts and sports activities, while offering you optimal comfort.