Lenses can come out, especially during rigorous activity, and in case this develops when you have the side of a cliff it will likely be no turning back to think it.
Remember that if a shoe feels tight have got put it on, it will only feel tighter as your foot expands while you're running. https://Bookmarksea.com/story18056144/london-rioters-just-in-order-to-play-golf-with-the-big-boys