NIKE Rongbuk Mid Gore-Tex Walking Boots Sandwich Mesh and Leather - a great combo of durability and breathability to help keep your feet cool as well as supported Phylon Midsole - for responsive cushioning simillar to running shoes, making these boots amazingly comfy Sticky Rubber Outsole - ensure you have fantastic grip and traction on all surfaces Gore-Tex Lining - ensure your feet stay dry and comfortable all