Vionic Women’s 335 Elation1 sneaker size 8.5 Color: red/yellow Condition: like new/no flaws Vionic's first performance walking shoe is built with their patent-pending single-unit midsole that cradles your foot and responds to your every step, powering you through your day like never before. Fit Tip: Length runs a bit short. Vionic recommends sizing up by a half size. Uppers: man-made and textile. Footbed/outsole: co-molded proprietary EVA compound with rubber outsole. Contoured arch increases underfoot contact, while a deep heel cup supports your foot's natural contour. Air-infused memory foam adds instant comfort and 1st Ray technology facilitates flexibility and motion of your big-toe joint. Relaxed toe box allows your foot to move naturally for a more powerful gait. Outsole features flex grooves in the outsole to improve flexibility, while inset panels absorb shock. Lightweight comfort at less than 7.7 ounces