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LIGHTER THAN EVER WITH ALL THE SUPPORT
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.
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.
Zoom Air unit in the forefoot delivers responsive, low-profile cushioning.
Honeycomb outsole pattern provides great multi-surface traction.