New and improved seals relieve 15% less pressure around the eye for more comfort. New pulley strap system allows for less tension for easier adjustment. Patented injected silicone frame: allows for a lightweight, more durable frame than the leading brands Patented nose bridge: our unique, exclusive, one of kind nose bridge is engineered and built to always retain its shape and will not spread when the head straps are tightened Best anti-fog Treatment in the industry: the anti-fog isn't just on top of the lenses, its part of the materials of the lens, giving the best anti-fog Treatment in the world Double head strap: split head strap wraps around both the top and lower part of the back of the head, offering more security