From Ryka, the Women's Charisma Ankle Booties feature: Water and mud-repellent nylon upper with synthetic overlays RYKÄREPEL: Water and mud-repellant specially treated to help shoes stay clean and dry.  Lace up styling with inside zipper with heel pull tab for easy on/off Fabric lining Anatomical insole with extra arch and heel support with partially recycled EVA ACTIVfoam™ EVA midsole for soft cushioning  Durable second-density rubber outsole Weight: 198 g/7.0 oz per shoe Heel-to-Toe Drop: 10mm Approx. 3.54" shaft height Approx. 9.13" standard shaft circumference Approx. 1.125" heel height  Imported.