Using advanced construction techniques, this easy on-easy off shoe is more durable than others of its kind -- for days spent in and around water. Details Injected EVA foam upper is more water-friendly & more durable than others of its kind External rear heel sling BLOOM performance midsole foam is made of 10% algae biomass, transforming green water into clean water in the process FloatPro Foam midsole for a lightweight ride that lasts Vegan-Friendly