The Swans SR72 Valkyrie goggles in pink have been designed with performance, practicality and comfort in mind.These SR72 goggles have been constructed with a curved lens that provides wider vision as well as gives a streamlined shape that reduces water drag. Swans new MIT (Mirror Insert Technology) technology sandwiches the mirror between two polycarbonate layers preventing any scratching of the mirror coating, and with no increase to thickness of the lens. Our MIT and PAF technologies give significantly improved the durability. A new Slide nose system allows for easy swapping of the nose bridge to help provide the most comfortable fit possible. The nose bridge has been built with a small horizontal slit that provides increased flexibility.The 3D silicone gasket provides a watertight, leak-free fit that is comfortable. Premium Antifog Coating, proven to be 4 x more durable and 3 x more absorbent than regular anti-fog systems. FINA approved for racing. Features: MIT Mirror Insert Technology. Anti-scratch mirror lenses. Premium Anti-fog Protection 5 nose bridges sizes included, to help achieve the perfect fit. urved Lens 3D Gasket Nose Slide System Mirrored Lens FINA ApprovedÂ