Zoggs Aquatech + Goggles (Blue/Blue, Large/X-Large) Curved lens version of the original soft frame goggle Flexible frame molds to the face for comfort Quick adjust: just pull the two straps to tighten and push button to loosen Split silicone strap fits over crown of your head Lenses are coated with Fogbuster anti fog for clear vision Goggles Oversized 180 degree lens push button headstrap adjustment Lightweight frame