The Waterpro Maipo from Merrell runs fast wet or dry - a prime candidate for canyoneering as mesh upper drains automatically via ports in micro mesh upper and in antimicrobial footbed. Dynamic lacing system locks together a micro-mesh upper and supportive synthetic leather strapping. Air Cushion midsole for amphibious ventures includes Q-Form stride alignment for women. New Vibram Waterpro Plus sole has softened chevrons for land heavy siping for wet surfaces. The Waterpro Maipo features a Slip Lasted Construction. Synthetic Leather Ventilated Mesh Upper. Micro Mesh Free Flowing Drainage Ports. Lycra Neoprene Padded Tongue and Collar. Injection Molded TPU Rear Foot Stabilizer. Free Floating Heel Dynamic Lacing System. Synthetic Leather Toe Bumper protection Integrated Drainage Ports. Hydro Drainage Ventilated Footbed with Etc Anti-Friction Lining Treated with Aegis Antimicrobial Technology. Nylon 6.6 Injection Molded Arch Shank. Merrell Air Cushion Midsole. Water Friendly Non-MarkingRazor-Cut Sipped sole. 3.5 mm Sole Lug Depth. Vibram Water Pro Plus SoleTC5 Rubber. Vegan Friendly Footwear.