Nike Air Max 90 Fireflies Shoe features no-sew overlays for a supportive, lightweight feel. Its visible Air-Sole unit helps absorb impact, while classic styling creates an authentic look. Breathable mesh upper with synthetic leather overlays for enhanced support. Injected unitsole midsole/outsole for cushioning, durability and minimal weight. Visible Nike Max Air heel unit for lightweight impact protection. Rubber outsole for durability and traction.