The Atomic Frameless Mask is "widely" viewed as an award-winning revolutionary design! Atomic Quality The Atomic Aquatics Frameless Mask is focused on fit, comfort and a wide vision field The large lens and close fitting skirt work in harmony to create perhaps the widest viewing angle of any frameless mask design The lens shape was computer designed to maximize upward, downward and side to side vision Because an external frame is not needed, the viewable area of the lens is optimized A wide field of view and great fit completes the combination of function, style and durability Hydrodynamic styling with no exposed external frame Comes with UltraClear lenses UltraClear is a new and exciting optical quality glass with exceptional clarity and high light transmission, with no color distortion like standard lenses. The exceptionally high light transmittance and lack of distortion in the UltraClear lens maximizes the light available for improved visual acuity, especially underwater in low light conditions Low profile Squeeze-to-adjust buckles are tucked behind the lens for a sleek hydrodynamic design Adjustable mask strap Atomic Frameless Masks are also available in a regular or medium fit size (for smaller, narrower faces) This Atomic Frameless Scuba Diving Mask is perfect for your next diving adventure!!!