This ultra comfortable training shoe, with Nike comfort footbed, is perfect for your light workouts and recovery days. UPPER: Innersleeve constructed upper provides ease of entry and secure lockdown while memory foam sockliner gives you superior comfort underfoot. MIDSOLE: Full-length Phylon midsole provides superior lightweight flexibility. OUTSOLE: Strategically placed rubber pods bring excellent traction and durability while flex grooves in forefoot allow foot to move in a natural motion. Upper is all one piece, no tongue to get out of place. Minor wear as shown on the sides.