The FitFlop Gen FF Max Buckle Denim Back Strap Sandals are designed with a chunky buckle detail and hook-and-loop back strap for secure fit. These open-toe sandals feature a denim fabric upper that adds a laid-back, fashion-forward edge. Polyester lining and rubber insole. Carries the American Podiatric Medical Association (APMA) Seal of Acceptance. Wedge heel. Open, round toe silhouette. MicroWOBBLEBOARD EVA midsole features a high-density heel, low-density midsection, and mid-density toe cap for enhanced comfort and cushioning. Slip-resistant rubber outsole.