The Zoggs Predator goggles are now available in two sizes, Regular Fit and Smaller Fit, to allow for different face shapes and fits. Regular Fit for a standard fit around the eye socket and Smaller Fit for rather narrow faces or a fit inside the eye socket. After long test phases with hundreds of swimmers of all levels and ages, Zoggs is now able to offer swim goggles that fit the individual face shape or the individual desire for comfort almost perfectly! With Ultra-Fit seals designed for ultimate fit and comfort to ensure the lightest and most comfortable fit. The unique Predator-Wiro-Frame features biotech integration to ensure that the glasses retain their shape. The Pulley Adjust System allows for easy balance of the overall headgear adjustment while evenly distributing the pressure on the swimmer's face. Zoggs has even added UV protection, anti-fog and CLT-Curved Lens Technology for added protection and clear vision.Curved Lens Technology - CLTCLT offers the swimmer 180° degree peripheral vision and crystal clear clarity. Ideal for swimming in a crowd, or with others in your lane.UV ProtectionZoggs includes UV protection as a standard feature on all goggles. As well as our standard UV360, Zoggs has introduced UV400 maximum protection which blocks 99%-100% of the sun's harmful UV rays, to ensure swimming is as safe as it is enjoyable.