Reebok Women's VibeTrain Low-W 100% Synthetic Rubber sole Synthetic-leather upper with breathable mesh windows makes for a stable and lightweight shoes VibeTech energy foam insert in heel IMEVA midsole and padded foam sockliner provide exceptional comfort and responsive cushioning DMX Shear technology gives vertical-horizontal air-transfer cushioning that reduces the stress of heel impact Forefoot flex grooves allow for greater flexibility while the multi-surface outsole maximizes traction