adidas Running - a3 Gigaride W (Slate/Altitude/Maco) - Women's: Running shoe built for the neutral to under-pronator who requires an enhanced cushioning and extended durability. A shoe that screams performance and has the technology to back it up. Full forefoot a3 structure for long-lasting luxury and a seamless upper for great fit and lightweight comfort. Synthetic upper with seam-free fit technology. Molded EVA sockliner. Structured midsole for optimal stability and platform. adiWEAR outsole offers the ultimate in high-wear durability.