Nike AIR ZOOM STRUCTURE 25 Nike AIR ZOOM STRUCTURE 25 men's running shoes offer stability precisely where you need it and cushioning precisely where you desire it. You can rely on them when you're racking up long miles, training for short distances and running at a fast pace at dusk. You can look forward to tried-and-tested stability from the first time you lace-up, and more comfortable cushioning than ever thanks to the support system in the midfoot. Nike AIR ZOOM STRUCTURE 25