for the womens FitFlop sizing guide. Click to learn more about the biomechanically engineered, ergonomic FitFlop footbed. Stimulate your senses with the relaxing and stylish Sumi ankle boot from FitFlop. Leather or suede uppers with a round toe. Ankle-high Chukka boot silhouette. Dual side goring with pull tab. Soft fabric linings. Features the SupercomFF dual-density, ergonomic, and pressure-diffusing midsole for optimum support and comfort. Please click for a video about SupercomFF technology. Imported. Measurements: Heel Height: 1 1 4 in Weight: 7 oz Platform Height: 3 4 in Product measurements were taken using size 6, width M (B). Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.