A technologically advanced welly with all the features you need for all-day comfort. FitFlop set out to turn an iconic silhouette into the world's comfiest welly with their biomechanically engineered technology. They contoured the sole to evenly distribute bodyweight, filled the hollowed-out heel with their innovative honeycomb design that absorbs the impact of every step High-rebound micro springboards in the forefoot of these lightweight waterproof boots help put a spring in your step.