Made with repurposed algae using Rise by Bloom technology. The innovative process to craft one pair of Jefferson Blooms helps to restore clean air and water back into the environment. This earth-friendly edition of the classic Jefferson features a perforated upper, shock absorbent sole and a rubber rand and toecap made with recycled materials. Features: - Injection Molded EVA and Algae Upper -Perforated Upper -Easy Clean -Slip On How to care : EVA shoes can be hand-washed using mild soap and baking soda. Wash with a cloth or soft brush and let dry in a cool shaded area. Never put your shoes in the washing machine, dryer, or dishwasher! EVA shoes are heat-formed, so they can be heat-deformed. Native advise to store shoes away from direct sun or heat, as they can warp due to the EVA composition. Native also advise against leaving them in hot cars.