The Nike Air Zoom Structure 25 'Black Iron Grey' DJ7883-002 is designed for comfort and support. It features a breathable technical mesh upper with targeted support zones. The Cushlon 3.0 foam midsole, combined with a Zoom Air unit in the forefoot, provides excellent cushioning and stability. The durable waffle outsole ensures reliable support, while the metatarsal support system improves arch support to control pronation. With Cushlon 3.0 foam underfoot and a higher stack height, these shoes offer superior stability and support for your runs. Closure: lacing. Toe type: round toe.