FitFlop iQUSHION PEARLIZED ERGONOMIC Womens Flip Flops in Pearlized Skywash Blue. These biomechanically engineered flip-flops feature FitFlop's featherlight, pressure-diffusing iQushion midsole tech. Made from high-rebound air-foam, they retain their cushioning with heel and ball-of-foot impact pillows, and a contoured footbed for natural support. The anatomically shaped straps help keep the sandals securely in place, preventing toe gripping. Upper Material: Rubber, Lining Material: Unlined, Sole Material: EVA. Closure/Fastening: Slip-On. Features: Comfort, Lightweight, Waterproof, Slip Resistant. Shoe Width: Regular. Heel Height: Flat (Under 2.5cm).