Speedo Biofuse Goggle just got better. Introducing the new Biofuse 2.0, still with Speedos best-selling Speedo Biofuse® technology, it now also features ground-breaking biosynthetic materials, a brand-new patented push button mechanism and super-soft seals with a new groove design, offering the same best comfort and fit - but better. Key Features:  Still featuring the best-selling Speedo Biofuse® technology for flexible comfort every time you swim, with first-ever use of biosynthetic materials. 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 patented 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