ALOE GATOR GEL SPF40 4 OZ This is a total sunblock protection in a super waterproof gel formulation. It's the premier sports sunblock used by paddlers, climbers and outdoor enthusiasts. Most items are 8-hour waterproof. The products are gentle to the skin, with no PABA or PABA Esters. Four sunscreens combine to ensure product absorbs both UVA and UVB rays.