Sebago - Overflow (Olive/Gray) - Men's: Premium full-grain waterproof leather upper with ventilated mesh panels. Multiple clip instep straps. Rearfoot hook-and-loop strap. Neoprene/Lycra lining. External heel counter for added stability. Reinforced rubber toe bumper. Honeycomb-perfed 4.5mm EVA footbed. Flexible Strobel construction with Sebago Water Drainage System. Sebago Siphon water drainage outsole.