Lululemon’s leggings are well-known and highly sought after. They’re also pretty costly. However, the company is now taking aim at Costco, accusing the chain of selling a knockoff version, sometimes ...

Costco leggings have long been rumored to be made by Lululemon and white labeled as its Kirkland Signature brand, but now, there's a new "great dupe" in the club. On Friday, one dedicated shopper ...

Add Yahoo as a preferred source to see more of our stories on Google. Lululemon's leggings are well-known and highly prized. They're also pretty costly. However, now the company is taking aim at ...