"Women's Altra® Experience Flow ST: The Experience Flow ST is a women's stability road running shoe built for daily miles and training runs - offering gentle guidance and a comfortable, efficient ride without overcomplicating the experience.GuideRail™ technology provides medial guidance that encourages natural foot placement, stepping in only when your stride needs it - making it a solid option for overpronators who want support that doesn't feel restrictive. Underfoot, the Altra EGO™ P35 midsole foam keeps things lightweight and responsive, so your legs don't feel worn down after longer efforts. The rocker shape geometry promotes a smooth, forward-moving stride and an efficient toe-off, while the zero-drop platform supports natural body alignment from heel to toe. Altra's Standard FootShape™ fit gives your toes room to spread naturally, with a secure midfoot that keeps the shoe feeling connected. The engineered mesh upper moves air through the shoe on warmer runs, and the redesigned heel collar adds comfort right where you need it.Why Our Fit Experts Love This Shoe""I recommend the Experience Flow ST to runners who want a little guidance without feeling like they're in a traditional motion-control shoe. The GuideRail™ technology is subtle - you don't really notice it until you realize your foot just feels right the whole run. The zero-drop and rocker combo also makes the stride feel really natural and easy."" - Sabrina, Road Runner Sports Fit Expert, San Diego, CAWho It's Best ForIf you overpronate and want gentle stability support for everyday road running without a stiff or heavy ride, the Experience Flow ST is worth a close look. It works well for women logging daily training miles who prefer a natural foot position, a roomy toe box, and a midsole that keeps things light and comfortable from start to finish. Runners transitioning toward a lower-drop shoe or those who appreciate Altra's FootShape™ fit will feel right at home here. VIP Family members can take the Experience Flow ST for a 90-Day test drive with our Perfect Fit Guarantee."