FitFlop F-Mode Stack Leather Back-Strap Toe-Post Sandals Deep TanFitFlop F Mode Stack Leather Back Strap Toe Post Sandals Deep Tan Our F Mode reimagined as a high stacked statement heel. This sandal has sculptural lines, directional style, and is engineered to be as comfortable as a platform gets. A simple high top line is set on an architectural 3 layer sole (here multi tonal to highlight the layers). In richly toned luxe leather. A buckled back strap adds security. On an ultra light platform version of our