Reef Womens Stargazer Sandal TPU, EVA, Rubber Water-friendly - be ready for any water adventure, from the beach to the lake or just hanging out by the pool, this style can handle the splashes. PVC free - Reef crafted this product without PVC, which means it's better on and for the environment. TPU strap - is thin, soft and sparkly. EVA footbed - for superior comfort. Outsole - durable high-density rubber outsole for grip.