Extra wide Croakies made with floating neoprene.
CROAKIES Floatation Factor (CFF)
The amount of flotation needed to save glasses from sinking
CFF+1 – Floats Plastic Frame & Plastic Lens Eyewear
CFF+2 – Floats Plastic Frame/Glass Lens or Metal Frame/Plastic Lens Eyewear
CFF+3 – Floats up to Metal Frame/Glass Lens Eyewear
CFF+4 – Floats up to Metal Frame/Glass Lens Eyewear