NIKE Womens Air Max 2015 Running Shoes synthetic-and-mesh Synthetic sole Internal bootie wraps your foot for a sock-like fit Unique eyestays work with the Flywire cables to create an even better glove-like fit Sculpted Cushlon midsole combines plush cushioning and springy resilience for impact protection Midsole flex grooves for greater forefoot flexibility Waffle outsole for durability and multi-surface traction