Designed in conjunction with marathon runner Galen Rupp, the Nike Air Zoom Structure 22 running shoes are an essential pair for your running training. Pairing a lightweight, low-profile silhouette that locks down for a secure fit, these long-distance running shoes will put those miles behind you. Predecessor: Air Zoom Structure 21. Support Type: Neutral. Cushioning: High energizing cushioning. Surface: Road. Differential: 10 mm. Last: MR-10. Breathable, lightweight engineered mesh upper actively sheds heat while retaining structure. Flywire cables envelop the mid-foot for an adaptive, supportive fit. Lace-up closure. Padded tongue and collar. Partial, fabric sockliner wraps the foot for a snug fit. Dynamic Support platform adapts to your stride providing runner-specific support for every phase of your run. Zoom Air unit in the forefoot offers lightweight, responsive cushioning thats ideal for fast-paced runs. Duralon blown-rubber panel at the forefoot improves reactive cushioning. Mapped rubber outsole places flexing ribs at the arch and traction-improving, flat lugs at the forefoot. Imported. Measurements: Weight: 11.6 oz Product measurements were taken using size 11.5, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.