NIKE Free Train Instinct Men's Cross Training Shoes Synthetic Synthetic Fabric sole Breathable warp-knit upper for structure and support Dual-density midsole for cushioning and responsiveness Phylon foam is lightweight and responsive 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!