The Speedo Biofuse 2.0 Swimming Goggles are a great addition to your swimming accessories, crafted with an adjustable head strap for a custom fit, coupled with rubber gaskets to the lenses for comfortable wear. The anti-fog treatment to the lenses allows for clear vision, and the Speedo branding completes the look. These goggles feature the best-selling Speedo Biofuse technology for flexible comfort, along with biosynthetic materials, a patented push-button mechanism, and super-soft seals with a new groove design for an improved fit. The new flexible and strong internal frame design stretches and adapts for a super-snug fit and provides superior stability. The newly crafted lens shape offers excellent peripheral vision. Speedo Biofuse 2.0 Swimming Goggles - Blue. UV Protection. Swim. Carbon. Pool Eyewear.