The fascinating reason why some Olympic swimmers wear two swim caps
NBC Sports Screenshot
Whether it's the type of bathing suit you wear, the way you jump off the diving board, or how much hair you have on your head, swimmers do a lot to make sure they get across the pool as fast as possible.
But you've likely never seen anyone wear two swim caps on their head at once.
SB Nation noticed that when gold medal-winning Hungarian swimmer Katinka Hosszu took off her swim cap, she revealed that she had another one on beneath it:
NBC Sports Screenshot
She's not alone ... Читать дальше...