The pants are so valuable to Lululemon that the company once sued

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

Athletic Works Women's Ribbed Cuff Woven Pant, Sizes XS-XXL

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Lululemon sues Calvin Klein over pant patents

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

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Chip Wilson, Lululemon Guru, Is Moving On - The New York Times

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

Wilson created the name 'Lululemon' because he thinks Japanese people can't say the letter 'L.

Lululemon accuses Peloton of being a 'copycat' as fitness giants trade lawsuits

Lululemon cracks jokes, plans men's stores amid controversy - Los Angeles Times