The Energy Goggles are our most comfortable fitness goggles. The soft one-piece frame is designed for a universal fit, making the goggles great for all face shapes. Ideal for fitness and open water swimmers, the Energy Goggles' curved carbon polymer lenses reduce distortion and provide optimal viewing. The Energy Goggles come with a split silicone strap that secures the goggles snugly around the head. The easy to adjust back clip makes fitting the goggles simple and hassle-free.