From Ryka, the Viv Classic Sneakers feature: Synthetic leather upper Padded collar Lace up front for a secure fit Fabric lining Designed for a woman’s unique foot shape, muscle movement, and build with a narrower heel, roomier toe, and softer foot cushioning Surround Fit insole with cushioned EVA heel cup surrounds your foot in comfort Flexible, durable polyurethane outsole Approx. 0.75" heel height WEIGHT: 210 g/7.4 oz per shoe HEEL-TO-TOE DROP: 10 mm Imported.