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

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

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

In March 2013, The company sold some faulty pants that went see-through if you did the 'downward dog' yoga position. It took 6% off the stock.

$68 for mittens? Team Canada fans cry foul over Lululemon prices for official Olympic gear

Why are Lululemon leggings so popular? Plus, deals and alternatives - CBS News

Lululemon prevails in lawsuits over yoga pants recall

Lululemon Sues Ross Stores Over 'Lowest-Quality' Counterfeit Yoga Pants Ever

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

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Lululemon's Sheer Pants Not Available for Purchase, at All

Lululemon Athletica - Wikipedia

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

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Why Lululemon Could Sell the $500 Million Company That Made Nike Sue

Lululemon Founder's Diversity Comments Spark Backlash, Boycott Calls