The zoggs aqua flex swimming goggles are suitable for both indoor and outdoor swimming and have smoke tinted lenses that protect against the sun your comfort is ensured by the soft split yoke silicone strap the larger soft seal plus hypo allergenic frame the seal that moulds to the contours of your face and the flexibility that comes from the unique 4 flexpoint technology vision is great too thanks to the 180 degree visibility granted by curved lens technology and the transparent lenses whic