NIKE Mens Air Tech Challenge Hybrid Leather Running, Cross Trainers

The Nike Air Tech Challenge Hybrid Challenge Training Shoe features a nubuck upper finished off by a full icy gum outsole.Full-grain leather upper for enhanced support and durability.PU midsole for lightweight cushioning.Visible Air-Sole unit in the heel for maximum impact protection.Rubber outsole with herringbone pattern for multi-surface traction and durability.