87% Tactel® nylon, 13% Lycra® Sport elastane. Athletic mesh: 80% nylon, 20% elastane. Mesh: 82% nylon, 18% elastane. Faux leather Insert: 80% polyester, 20 % elastanei. about. Mondor allows athletes, employees and partners around the world to achieve their goals, dream and aspirations to the best of their abilities.