I wore this pretty much all day long for whatever rides we went to. This also includes coasters like Mount Everest, Splash Mountain, Velocicoaster, Incredible Hulk ride, Rip Ride Rockit, etc. My glasses did not fall off, or felt like it was about to, so I'm pretty happy with this product, and will wear it again the next time I get on a roller coaster!Things to note: It does take a little nudge and gentleness when first putting these onto my glasses. The one I have does not have a thick temple tiSee full review