Saucony Endorphin Trainer Women's Shoe size:UK 6.5 Premium style exemplifying lightweight Premium style exemplifying lightweight and better performance Bonded finishing on hem and sleeves to provide higher comfort Design is inspired by KIMONO and subtle overlapping pattern remains of Japanese traditional garment Reflective details on the garment for better visibility during night runs Synthetic and mesh upper material offers breathability and a lightweight fit incrediRUN most efficient and most responsive incrediRUN foam combined with a structured bottom layer of our highly durable PWRRUN results in unmatched efficiency but in a stable and durable platform that is more forgiving