Unique 4 flexpoint technology for enhanced frame flexibility, providing comfort and unrivalled flexability. Polarized lenses reduce glare - ideal for swimming outdoors, allowing clear vision. Curved lens technology 180 degree undistorted peripheral vision. Larger frame offers super comfortable fit. Fogbuster impregnated anti fog lenses for longer fog free swimming. Super soft silicone seal for ultimate comfort and fit. Easy to adjust silicone strap for fantastic strength, comfort and durability.