Using advanced construction techniques, this easy on / easy off shoe is more durable that others of its kind--for days spent in and around water. Details: • Water-friendly EVA foam upper for a lightweight flexible fit and ease of cleaning • 100% recycled nylon rivets • EVA sling for easy on and off • BLOOM® performance foam is made of algae biomass, transforming green water into clean water in the process • Vegan-Friendly • Half pair weight: 0lbs-6.52oz, 185g