Nike Structure 25 Men's Road Running Shoes Supportive cushioning provides steadiness for everyday runs. Experience a stable platform without sacrificing performance with a combination of Cushlon 3.0 foam and Air Zoom cushioning. Plus, a higher stack height makes it more comfortable, stable and supportive than ever. Breathable engineered mesh upper has targeted zones for support Cushlon 3.0 foam midsole with an Air Zoom unit in the forefoot for cushioning and stability Durable Waffle outsole for grip and stability Midfoot support system for enhanced arch support to control pronation What’s New? New Cushlon 3.0 foam underfoot and a higher stack height make it our most stable and supportive model yet.