The womens Miller running sneakers have a mesh upper making them a breathable running shoe. The womens running shoes have a rubber outsole which is extremely durable to ensure long lasting comfort while running outdoors, while the shaped padded ankle offers support & extra comfort for your feet & ankles. The lightweight running sneakers are ideal for running & other outdoor activities. Mesh Upper The womens Miler running shoes have a mesh upper to improve breathability to help keep your feet fresh while out running. Rubber Outsole A rubber outsole is a very durable & long wearing material; it is also more flexible & moves with your foot. Ankle Support The shaped & padded ankle provides superior support for your ankle to offer support & comfort while out running. Lightweight Running Shoes The combination of the mesh upper & rubber outsole make the Miler running sneakers an ideal lightweight running shoe.