The Open Toachi from Teva offers incredible traction with Spider Rubber technology and Tevas patent-pending Drain Frame technology while still allowing your toes breathing room. Classic Teva design and architecture. Quick-drying upper. Quick-release buckle for easy entry-exit. Patent-pending Drain Frame Technology. Microban Zinc based anti-microbial protection. Compression molded EVA midsole with multiple drainage ports. Non-marking Spider Rubber outsole with drainage ports. Spider Rubber-A patented process produces Tevas most versatile rubber compound that successfully blends high friction and good durability. Microban Zinc- An environmentally friendly zinc technology that fights the growth of odor causing bacteria and fungus. Built in anti-microbial product protection provides continuous odor control that wont wash off or wear away. Drain Frame- Spider Rubber outsole pods provide optimal grip in varied terrain. TPU Drain Frame Platform wraps around the midsole creating anchor points that integrate into the upper allowing your foot to securely lock onto the bottom unit. A series of drainage ports with monofilament mesh screens allow water to escape directly through the bottom of the shoe while preventing debris from entering. These ports also work in reverse by allowing air to flow through for additional ventilation and comfort in even the hottest environments.