Jockstrap. it's also known as Jock or athletic supporter.
I think Jockstrap is one of the functional undies, same as wonderjock ;P
VITAMEN Jockstrap
It's Elastic ribbing for excellent genital support!
Perfect for sports, the gym or everyday!! hehe ><
Feel & Try it at my store VITAMEN,
don't forget to bring your Avi lol
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