Let the euphoric rush of your ride wash over you when you cruise in the Mizuno® Wave Rider 20 running shoe.Predecessor: Wave Rider 19.Support Type: Neutral to underpronation (supination).Cushioning: Lightweight, flexible response. Surface: Road. Differential: 12 mm.Breathable mesh and synthetic upper materials. 'Triple Zone' engineered mesh boosts breathability, movement, and hold. DynaMotion Fit upper moves seamlessly with the foot.Lace-up closure.Lightly padded tongue and collar. Soft collar and interior lining helps reduce the likelihood of irritation. Removable foam insole.Top midsole layer features U4ic compound for 33% more response and greater durability. U4ic midsole works together with the Wave plate for a softer underfoot feel and smoother transitions.Redesigned Neutral Wave® plate provides softer cushioning, and enhanced response. Articulated U4icX heel wedge supplies greater cushioning for a softer feel. X10 carbon rubber provides long-lasting wear. SmoothRide engineering promotes a great transition from heel-to-toe with each stride.Imported. Measurements: Weight: 9 ozProduct measurements were taken using size 7, width D - Medium. Please note that measurements may vary by size.