While flip-flops are the most common footwear choice for traveling to and from a water park, they are generally not worn while actually on the slides for safety and logistical reasons. Most water parks in 2026, such as Disney's Typhoon Lagoon or Knott's Soak City, allow you to wear flip-flops on the walkways to protect your feet from the scorching pavement, but you will often be asked to hold them or leave them in a designated "shoe cubby" at the entrance of a slide. This is because loose footwear can fly off mid-ride, potentially hitting other guests or clogging the ride's filtration and mechanical systems. A superior alternative for 2026 travelers is the fitted water shoe or "aqua sock," which features a non-slip rubber sole and a secure mesh upper. These are typically permitted on almost all attractions, including wave pools and lazy rivers, providing continuous protection from rough surfaces and hot concrete without the risk of losing them during a high-speed plunge or a sudden splashdown.