Nike Men's Air Relentless 5 Running Shoe synthetic-and-mesh Rubber sole Mesh upper for breathability Padded collar and lining for comfort Reslong midsole for long-lasting comfort Magwire technology for extra support Encapsulated Nike Air-sole heel unit for shock absorbtion You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!