Mizuno Wave Creation 16 : Based on the principles of Ikebana, the design of the Mizuno Wave Creation 16 running shoe represents the Japanese art of flower arrangement. Neutral runners will love the simplified, smooth ride and refined fit of these updates. Smooth efficiency will increase your comfort for high-mileage training. Upper:Mesh upper with synthetic overlays offer breathable support. Dynamotion FIT technologies create an upper that moves with the foot seamlessly throughout the stride. Padded tongue and heel collar enhances instep comfort. Lace-up front provides an adjustable fit. Midsole: Mizuno Infinity Wave, shaped in a horizontal figure eight pattern, features large open cavities for maximum vertical deflection and cushioning. U4iC midsole provides resiliency and a smooth ride at a fraction of the weight of traditional midsoles. Gender Engineering philosophy maximizes performance by tailoring footwear to the separate needs of men and women. Outsole: X10® durable carbon rubber outsole allows for longer wear in high impact areas and supplements traction at heel strike. SmoothRide Engineering™ creates a smooth, rocking-chair-like transition from heel to toe on every step.