Great underwear is an everyday essential, perhaps more than anything else in your closet. No matter your personal aesthetic, you won't give comfortable underwear a second thought. It's hard to ask for ...

Calvin Klein underwear is 25% off right now. Stock up on boxers and briefs, plus take an extra 50% off sale styles. Great underwear is an everyday essential, perhaps more than anything else in your ...

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Not even Calvin Klein's own website is offering as good of a deal on multipack underwear as Amazon is.

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