Here's what other sites are saying:
These superbly stable water shoes are ideal for ambitious amphibious outings requiring cushioning, protection and support in and out of the water! Synthetic leather and ventilated mesh uppers are fully water-resistant, resist stretching, maintain breathability and provide durable protection. Micro mesh free-flowing drainage ports on sides ensure shoes eject water easily and dry quickly. Dynamic lacing system with free-floating heel solidly secures heels and instep for a static fit; heel pull loops aid entry/exit. Injection-molded thermal polyurethane rearfoot stabilizer and instep security wrap provide torsional control over heel and instep motion. Footbeds have water drainage/ventilation ports for extra comfort and cushioning. Molded nylon arch supports supply rigidity and support in arch area. In-Board™ compression-molded EVA footframe with Air Cushion® shock absorption at heels for all-day wear. Non-marking Vibram® WaterPro™ outsoles with TC1 Dura Rubber and razor-cut siping deliver amazing wet-surface traction.
- REI refers to the men's version