Women's Altra Paradigm 8 - Grey It’s a supportive shoe disguised as a sleek road runner. And it’s here to help guide your feet in a straight line while delivering efficient, lightweight strides. We updated the Altra EGO™ MAX midsole compound, for a more cushioned yet lightweight underfoot feel. GuideRail™ technology encourages natural foot placement with gentle guidance on the medial side, but only when it’s needed. A redesigned engineered mesh upper and ghillie lacing system combine to improve breathability and fit. A premium molded heel collar, featuring soft detailing, offers comfort at first step-in. It’s got a roomy toe box to help your toes move more freely with a secure midfoot and zero drop, so you can move naturally. Looking for a supportive, cushioned running shoe that’s got your back (and your feet)? You found it. DETAILS: Best For Support, Road Running, Walking Heel-to-Toe Drop 0mm Upper Engineered Mesh Midsole Altra EGO™ MAX Outsole Rubber Weight 8.6 oz / 243.8 g Cushion High Stack Height 30mm Support GuideRail™ FootShape™ Standard