LIGHTER THAN EVER WITH ALL THE SUPPORT. Updated with an engineered mesh upper that’s stronger and lighter than before, Men’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.
- Rubber sole
- Dynamic Fit technology locks down your foot.
- Engineered mesh provides targeted ventilation and support.
- Dynamic Support system in the midsole provides a smooth transition.
- Zoom Air unit in the forefoot delivers responsive, low-profile cushioning.
- Full inner mesh bootie wraps the foot to enhance breathability and provide a sock-like fit.