Zoggs Predator Flex Swim Goggles offer 180 degree undistorted peripheral vision and super soft hypo-allergenic seals that ensure you get the most comfortable fit possible. A large Bio-tech frame offers revolutionary styling while maintaining the comfort you expect to find in Zoggs Predator goggles. The Silicone strap is easily adjustable and also maximizes durability. The mirrored lenses have been impregnated with Fogbuster", allowing you to swim fog-free for longer periods of time.