Meet the Altra Experience Form, the first Altra stability shoe with a 4mm drop! This supportive running shoe breaks new ground, defining a new category for the brand. Slide into the sleek engineered mesh upper and stay comfortable during your miles. Feel the glide with every stride as the rocker geometry and 4mm drop provide effortless transitions. GuideRail technology supports your feet with medial guidance only when it's needed.Smooth, supportive and effortless, the Altra Experience Form paves a new way forward! What's New? Compression-molded midsole foam provides a light and responsive ride. Medial GuideRail� technology delivers inherent stability. Low drop design complements rocker shape geometry for efficiency. Sleek design offers a modern and versatile style. Who's it for? Everyday runners who want a lightweight daily trainer that combines style and support. Runners looking for a sleek and supportive running shoe to wear during long distances or community runs. Runners who are interested in Altra running shoes but are concerned about running in a zero-drop shoe. Shoe Technology Upper: Engineered mesh upper improves breathability to keep you cool and comfortable. SignatureFootShape�with a spacious toe box allows your feet to spread out naturally. Midsole: Compression molded EVA midsole absorbs shock at impact to keep you comfortable. Rocker geometry and a 4mm drop offer an effortless ride accommodating more runners. Outsole: Rubber outsole provides reliable traction on road surfaces. Similar models: Brooks Adrenaline GTS 23 HOKA Arahi 7 Saucony Guide 17