From Vionic, the Walk Max II Lightweight Knit Fabric Sneakers feature: Breathable knit upper Received the APMA Seal of Acceptance Back pull tab Adjustable lace up closure Fabric lining Built-in VIOMOTION Technology footbed with contoured arch support and deep heel cup Lightweight midsole rebound technology Durable rubber outsole Approx. 1.25" platform height Approx. 1.75" heel height Imported. Styling Notes: It is recommended you wear your new pair for a few hours to let you feet adapt to the new support.