Ideal for those who need high-function footwear that can stand up to the rinse cycle, the 'Waterpro Maipo' from Merrell runs fast wet or dry. ; Synthetic leather and ventilated mesh upper with micro mesh free flowing drainage ports. ; Lycra and neoprene padded tongue and collar and dynamic lacing system. ; Synthetic leather toe bumper with integrated drainage ports and injected-molded TPU rear foot stabilizer. ; Hydro drainage/ventilated footbed with Etc anti-friction lining treated with Aegis antimicrobial technology. ; Merrell Air Cushion midsole with nylon 6.6 injection-molded arch shank. ; Water-friendly, non-marking, razor-cut siped Vibram Water Pro TC5+ rubber outsole with 3.5mm lug depth. ; Slip lasted construction. ; Vegan friendly. Measurements: ; Weight: 11 oz ; Product measurements were taken using size 8, width M. Please note that measurements may vary by size.