Features: Sculpted ultra-low profile lens Wide 180deg peripheral view Stability side rails for enhanced steadiness Curved speed adjustment for quick strap tuning Durafit LIQUID construction for long-lasting comfort Silicone gaskets provide a secure, watertight seal Endless silicone strap design for durability Five interchangeable nosebridge sizes for a custom fit Anti-fog coating for clear vision Deep inner-eye fit for streamlined performance Includes reusable case with one adult silicone swim cap Suitable for ages 16+