Have you ever wondered why soccer players sometimes seem to be wearing a "bra" underneath their jerseys? It turns out they are GPS fitness trackers that allo
What Do Soccer Players Wear Under Their Jersey? - The Instep
Here is why footballers wear bras - and how they help prevent injuries
Why do some male soccer players wear something that looks like a bra? - Quora
Why do footballers wear GPS vests?
GPS Vests vs. Soccer Tracker - Playermaker
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What's The Male Soccer Bra Thing Guys Are Wearing?
Women's UA Continuum Mid Sports Bra