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'Back to the Future' and Calvin Klein.
Memorable moments in underwear history.
A selection of Out's favorite up-and-coming models showoff pieces from Papi's latest collection.
Meet model Jason Felton and get a behind the scenes look at the OUT/Papi underwear shoot.
We look at some of the notable moments in the history of underthings.
Red Models' Jason Felton shares his preference for undergarments.