Water-friendly and durable injected EVA foam upper. 80% recycled nylon used on the upper. Midsole featuring BLOOM performance foam made of 10% algae biomass. FloatEco Foam for lightweight comfort. Toggle lace closure for easy on and off. Adjustable strap closure for quick adjustability. Heel pull tab for easy on and off. External rear sling locks in the heel. An evolution of the seminal Hydro Moc, the Hydro Moc AT Ripstop features an all-terrain system that allows the shoe to step out of the water and into varied environments. This advanced silhouette uses the same design structure as Merrell’s other Hydro Moc models, characterized by an EVA foam cage upper that is highly durable and water-friendly. The ripstop system is engineered with an 80% recycled nylon upper, while the midsole is crafted with BLOOM performance foam made from 10% algae biomass. For effortless on and off functionality, the Hydro Moc AT is fit with a toggle lace closure, as well as an external rear sling that keeps the heel locked in.