NIKE Women’s Air Zoom Structure 21 Running Shoe Thunder Blue/Metallic Silver/Black Size 7.5 M US

Updated with an engineered mesh upper that’s stronger and lighter than before, Women’s Nike Air Zoom Structure 21 Running Shoe continues to cushion your stride with a dual-density midsole and midfoot system that provide locked-down support.

• Dynamic Fit technology locks down the foot.
• Engineered mesh provides targeted ventilation and support.
• Dynamic Support system in the midsole provides a smooth transition.
• Full inner mesh bootie wraps the foot to enhance breathability and provide a sock-like fit. Notches on each side of the tongue allow for easy on and off.
• Compression-molded Phylon on the medial side and Cushlon foam on the lateral side are fused together to create a dual-density cushioning system.