There are two types of Olympic athlete.
In the warm days of summer, gymnasts compete in skimpy outfits and bare feet. Sprinters wear skin-tight tops and shorts, often minus the socks. Divers require a Speedo, maybe one of those little towels to wipe off, nothing more.
At the frosty Winter Games, a snowboarder in a bulky jacket, pants and boots could stuff all three of those uniforms into his pockets.