adidas Adizero Adios Boost 2 Women's Running Shoes - SS15 Boost - Keeps every step charged with an endless supply of light, fast energy Coolever Mesh Upper - For heat and sweat management and increased performance. Synthetic Tirrenina Suede Overlays - Environmentally responsible, solvent-free, ideal for supporting your foot. EVA Sockliner - Creats an anatomical fit and step-in comfort. TORSION SYSTEM - For energy return in the forefoot and natural integrity in the midfoot