Our Biofuse Goggle just got better. Introducing the new Biofuse 2.0, still with our 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.Features Still featuring our 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 fitand provides superior stability. Newly crafted lens shape, offering excellent peripheral vision. Chrome mirror coated lenses for reduced brightness and glare ideal for regular & light swimmers Brand-new patented push button mechanism for fast & secure fitting