Run for the hills, or up them in the New Balance M1690 Minimus training shoe, a perfectly tuned introduction to the world of minimal footwear. Featuring a 4mm drop for a natural feel, this lightweight men's trainer takes the Minimus experience to a new level with a synthetic and mesh upper lending comfortable breathability as you move through your workout. Lightly padded tongue and collar offer top-of-foot comfort. Underfoot, REVlite foam cushions every step. The New Balance 1690 Minimus athletic shoe carries you securely atop a rugged Ionix rubber outsole.