Amazon.com | ALTRA Men。Introducing the ALTRA Altrafwd Experience, a shoe all about a ride that feels smooth, effortless, and efficient. A low 4 mm drop encourages natural foot position while bringing a brand-new running experience to the Altra line. This low drop complements the shoe\'s rocker shape geometry for an efficient toe-off and a smooth, quick roll through your stride. Featuring the same roomy toe box you know and love so you can move as you were designed to, plus an all-new lightweight and responsive compression-molded midsole foam. With the Experience, you\'ll enjoy an effortless run with the perfect blend of comfort, performance, and style. Shoes details: • Midsole: Compression-molded EVA foam • Outsole: Rubber • Cushion: Moderate • Upper: Engineered mesh • Stack Height: 28 mm/32 mm • Drop: 4 mm • Weight: 240 g / 8.5 oz