Surround soles in mile-after-mile comfort by lacing into the Altra Zero Drop™ Impulse running shoe.Ideal for road running, walking, light trail running, and cross training.Built for the mild to moderate overpronator.Designed to improve running form, toe splay, excessive pronation, and fallen arches. Foot-shaped toe box allows toes to relax and move freely, providing enhanced comfort, natural stability, and a more powerful toe-off.Quick-drying air mesh upper with lightweight synthetic film overlays. Lace-up closure. Removable 5 mm Contour footbed.Fully cushioned Zero Drop™ technology promotes a more natural foot strike and a more efficient stride.StabiliPod™ technology acts as a stabilizing tripod to help prevent excessive pronation.Dual-layer EVA midsole features A-Bound™ top layer that absorbs impact and rebounds energy with each stride.H2FLO drainage holes in the midsole shed water to keep feeling more comfortable. Rubber outsole with FootPod™ technology.Grid-like InnerFlex™ grooves allow the foot to flex naturally for optimal speed and performance. Stack Height (total thickness of midsole and outsole underfoot): 23 mmImported. Measurements: Weight: 7 ozProduct measurements were taken using size 8, width B - Medium. Please note that measurements may vary by size.