Men\'s shoes. Water-friendly and durable injected EVA foam upper. BLOOM performance foam is made of algae biomass, transforming green water into clean water in the process. Lightweight EVA foam midsole for stability and comfort. Outsole grade EVA for weight saving grip. Vegan-Friendly. Half pair weight: 0lbs-7.93oz, 225g. Stylist Notes. A unique style, FloatProTM Foam with 10% BLOOM algae, narrow grooves on the rubber outsole for traction, and easy-on-easy-off wearability, Merrell's Hydro Slide is the perfect balance of function, sustainability, and comfort.