The zoggs predator flex ladies swimming goggles have been specifically designed for women and for use in indoor and overcast outdoor conditions the frame is flexible thanks to the exclusive 4 flexpoint technology and the curved lens technology clt provides excellent 180 degree undistorted peripheral vision thanks to its smaller frame the goggles will fit smaller sized faces and there is a very soft silicone seal which ensures comfort and a great fit the tinted lens help reduce glare and o