At the time of inspection there are no major call outs on these sneakers! Please see the pictures closely. The Glycerin 20 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 supreme softness. This Brooks Glycerin 20 is a certified PDAC A5500 Diabetic shoe and has been granted the APMA Seal of Acceptance. We recommend ordering Brooks running shoes 1/2 to one size larger than your dress shoe. NEUTRAL SUPPORT: Provides neutral support while offering the maximum amount of cushioning. Ideal for road running, cross training, the gym or wherever you might want to take them! Predecessor: Glycerin 19. Look for the Brooks Glycerin GTS 20 for the same style with added Support. SUPREME SOFTNESS: The ultimate in softness and supreme comfort, designed for runners who want pillowy soft cushioning. The Glycerin 20 with nitrogen-infused DNA LOFT v3 offers the softest cushioning optimized to be lightweight, responsive, and durable.