The pinnacle of racing goggles, the Arena Cobra Ultra Swipe design ensures you can compete, train and swim for extended periods of time without your goggles fogging up or moving around. This highly advanced style has a special lens shape for comprehensive vision and ideal glide. It's enhanced with Arena's Anti-fog Swipe Technology, staying clear up to 10 times longer. When they start to mist over, simply swipe the inner lenses while the goggles are under water. Best technology, best performance and FINA approved.