Boy being Pretty
The talented sucker of a Dutch athlete Jochem Dobber with other athletes nicely bulging and furry in their swimmers.
Canadian actor Julien Lemire who got naked (and damp) from all aspects (nice welcome mat) in the film Marécages doesn't seem to own a top (though one would be silly in a bath).
And British diver Matty Lee's thick straight trail and Daniel Goodfellow's more scattered approach.