for the womens FitFlop sizing guide. Click to learn more about the biomechanically engineered, ergonomic FitFlop footbed. Enjoy the sensible and stylish FitFlop Sarna Toe Thong Sandal. Leather upper with hook-and-loop fastener at instep with soft textile linings. Cushioned footbed with built-in arch contour. Triple-density EVA midsole with sophisticated Microwobbleboard technology. Please click for a video about Microwobbleboard technology. Features the APMA Seal of Acceptance, for footwear found to promote good foot health. Textured synthetic outsole delivers long-lasting durability on a variety of surfaces. Imported. Measurements: Weight: 7 oz Product measurements were taken using size 9, width M (B). Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.