World of Watersports. If it is an inflatable tube and can be towed behind a boat or used for fun on the water, you will find it here. WOW tubes are designed for pools, lakes, rivers and the ocean. Some are meant to be pulled behind a boat, while others are perfect for just drifting and relaxing. Whether you like to float alone or with a friend, WOW has the ideal inflatable for your favorite summer pastime.