Why do girls always wear sports bras anytime they do anything remotely athletic and guys hardly ever wear athletic supporters?

Anyone else find this strange? Sports bras are used by girls even if they're just going on a hike or a walk. But guys never really wear supporters. They both support body parts so you think that they'd have similar use time
Why do girls always wear sports bras anytime they do anything remotely athletic and guys hardly ever wear athletic supporters?
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