LIGHTWEIGHT SUPPORT. SLEEK DESIGN. The Nike Air Zoom Structure 22 Men's Running Shoe looks fast and feels secure. Engineered mesh, a heel overlay and dynamic support throughout the midfoot all work together to provide a smooth, stable ride. Flywire cables secure the top of your foot. Engineered mesh provides targeted ventilation and support. Dynamic Support provides a smooth, stable transition. Partial bootie wraps the foot for a snug, comfortable fit. Notches at the tongue provide easy on and off. Zoom Air unit in the forefoot delivers responsive, low-profile cushioning. Duralon blown rubber in the forefoot enhances cushioning. Weight: 11.5oz/326g (men's 10) Last: MR-10 Offset: 10mm (12mm forefoot; 22mm heel).