Highly breathable mesh upper with featherlight FlexFilm overlays. Pro-Lock helps keep the heel securely in place. Sueded tongue and lightly padded collar. Soft textile lining offers a great next-to-foot feel. Molded foam footbed. Full-length, compression-molded SSL (Saucony Super Lite) midsole that maximizes rebound and durability while providing great cushioning. XT-900â"¢ carbon rubber outsole material delivers exceptional traction and long-lasting wear.