The Speedo Hybrid Watercross shoe is a true-hybrid shoe that allows you to go anywhere and do everything. With performance fabrications, smart-styling, and lightweight design, nothing is left out of the equation. Full drainage capabilities, lightweight mesh uppers, supreme comfort and slip-resistant traction come together in a shoe that truly defies categories and limits. Don't sacrifice style or comfort in your active lifestyle. The Upswell keeps you on the go in your training class, beach run or weekend trip to the lake. FluidFlow: FluidFlow technology provides drainage from upper sole down through the outsole Lightweight: Speedo's lightest athletic shoe, weighing in at 6.4 oz. Seamless Construction: 100% seamless construction for comfort with or without socks Exsqueeze Me Cushioning: Engineered to gently mold around one's foot the same way soft, wet sand does. Exsqueeze Me cushioning helps create new levels of comfort and superior feel in our sandals and water shoes Quick Drying Mesh: Quick drying air mesh offers maximum breathability and all-day comfort Knock-Down Heel: Lightweight deconstructed upper allows the heel to knock down and convert into a slipper-style shoe.