Helping your body stay aligned to minimize stress on your joints, Brooks Glycerin 13 running shoes feature a rounded heel and Ideal Pressure Zones. The nearly seamless upper and new wrap-around collar provide an ideal fit and plush comfort. With 25% more cushion you’ll experience the smoothest ride possible. Ideal for runners with medium to high arches and normal pronation. Upper: Conformable saddle construction provides a snug fit. 3D Fit Print overlays add flexibility and structure. Padded tongue and heel collar enhance comfort. Lace-up front offers an adjustable fit.Midsole: Super DNA midsole provides optimum adaptive cushioning. Segmented Crash Pad provides cushioning and smooth heel-to-toe transitions, maximizing the efficiency of every stride. Removable insole.Outsole: Rounded heel offers better alignment, minimizing stress on joints. Ideal Pressure Zones disperse impact for an effortless ride.