Reef Escape Lux Nature Flip-Flop Sandals The new line of Reef's Escape Lux has revolutionized the rubber sandal. These have rocker, heel cupping and arch support. They also have a patented washer that makes the strap exceptionally strong so it won't pull through. PVC-free and biodegradable, these sandals are as eco-friendly as they are comfortable. Water-friendly and non-marking, the Escape Lux is perfect for the water enthusiast. Rubber uppers/rubber outsoles. Imported.