Our Biofuse goggle just got better. Introducing Biofuse 2.0. Still featuring our best-selling Speedo Biofuse technology, our new goggle takes comfort and fit to the next level with a brand-new patent-pending push-button mechanism and super-soft seals with a new groove design. It’s everything you love about Biofuse – now even better. Features Still featuring our best-selling Speedo Biofuse technology for flexible comfort every time you swim. Super-soft seals with a new groove design, offering the same best selling fit. New flexible and strong internal frame design, stretches and adapts for a super-snug fit – and provides superior stability. Newly crafted lens shape, offering excellent peripheral vision. Brand-new patent-pending push button mechanism for fast & secure fitting. Stylish low-profile strap with traction gears for a secure & comfortable fit. A spray Anti-fog coating provides crystal clear vision. Ultimate UV protection with polycarbonate lenses that feature UV400 protection.