Leggings made from ECONYL® with mesh fabric – Freshness and function for sports and everyday life FEATURES + High waistband for optimal support + Small hidden pocket in the back waistband + Mesh inserts for better air circulation + Flat, barely noticeable seams The Energy Legging . Nero combines style and comfort with a conscious focus on sustainability. Made from ECONYL® regenerated nylon, it is perfect for your yoga practice, training, running, or even water sports. The mesh inserts provide a pleasantly fresh feeling and ensure a sexy look. The high waistband sits comfortably and stays in place, while flat seams lie gently on the skin and accompany you in every movement. A small, hidden pocket in the waistband offers space for the things you always want to have with you.