The pants are so valuable to Lululemon that the company once sued Calvin Klein for making a pair a bit like them.

Read more at Blisstree, which covered the Lululemon/Calvin Klein story.

Ugh, Sorry Guys! PVBody Change – Sarah Fit

In 2015, amid surging sales, Lululemon introduced these anti-ball-crushing pants for men.

Dueling Yoga Pants: Lululemon Takes Calvin Klein to Court - WSJ

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Lululemon's success has inspired imitators. Dear Kate launched a line of yoga pants that can be worn safely with no underwear in 2014, shortly after the see-through debacle.

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The long, strange history of Lululemon Athletica Inc, North America's weirdest clothing brand

The long, strange history of Lululemon Athletica Inc, North America's weirdest clothing brand

How Lululemon Built a $43 Billion Business From Yoga Pants

Nike sues Lululemon for infringement of footwear patents

The long, strange history of Lululemon Athletica Inc, North America's weirdest clothing brand

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