Worn twice The Glycerin 19 is perfect for runners who think there is no such thing as too much cushioning. The plush internal fit and soft transitions keep runners surrounded by softness. This Brooks Women's Glycerin 19 is a certified PDAC A5500 Diabetic shoe and has been granted the APMA Seal of Acceptance. Also an excellent shoe for hospital workers or anyone on their feet and on the go all day long.