Most swim caps are put on while stood on the ground, but that doesn't always have to be the case. Also that bloke in the thumbnail looks familiar. Bit of merch? - https://slowmoguys.shop/ Follow Us on Instagram! - https://www.instagram.com/theslowmoguys Filmed at 1000FPS on the Phantom VEO 4K PL Diving into a Moving Swim Cap - The Slow Mo Guys