From Ryka, the Women's Paragon Casual Zip Booties feature: Padded microfiber upper with synthetic heel patch RYKÄREPEL: Water and mud-repellant specially treated to help shoes stay clean and dry. Side zipper with heel pull for easy on/off Fabric lining Anatomical insole with extra arch and heel support with partially recycled EVA ACTIVfoam™ EVA midsole for soft cushioning Rubber outsole on forefoot and heel for shock absorption Approx. 4" boot shaft height Approx. 0.875" heel height WEIGHT: 210g/7.5oz per shoe HEEL-TO-TOE DROP: 10mm Imported.