Simms Tributary Wading BootA classic, great fitting wading boot with all the rugged features and the trusted support and traction you need while in and out of the water. Rugged synthetic leather and mesh with scratch rubber overlays in high abuse areas Bomber, corrosion resistant lacing hardware Fully gusseted tongue helps prevent debris from getting inside Full neoprene lining for durability and ease of on and off Simms' proprietary multi directional lugged rubber outsole