The Nike Men's T-Lite XI Running Shoes feature a moulded leather and synthetic upper to provide durability. Ideal for training running or the gym the T-Lite XI features a cushioned Phylon core for a lightweight and comfortable ride. The Phylite midsole offers a resilient ride with added durability to also function as an outsole. The padded ankle collar provides comfort and stability while the ventilated mesh tongue helps to keep your feet cool. - A.D. Moulded leather and synthetic upper for durability Perfect for training running or the gym Phylon core for a lightweight and comfortable ride Phylite midsole for durability Padded ankle collar for comfort and stability Ventilated mesh tongue Reinforced toe