NIKE Zoom Structure+ 17 Men's Running Shoes Lightweight engineered mesh and strategically placed bonded overlays: Provides added support Medial adaptive fit system wraps arch: Adapts to your foot's movement for support and a glove-like fit Nike Zoom unit in the forefoot: Delivers a low-profile, responsive ride The dual-density cushioning system with fused Phylon and Cushlon foam: Adds another level of plush comfort Dynamic Support in the heel: Provides just the stability you need without added weight You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!