Lululemon Athletica has been a standout performer on Wall Street since it went public in July, thanks to the popularity of its costly yoga and other workout clothes, which are made with unusual materials, including bamboo, silver, charcoal, coconut and soybeans.
The label on a shirt at Lululemon says it contains seaweed.
One of its lines is called VitaSea, and the company says it is made with seaweed. The fabric, according to product tags, "releases marine amino acids, minerals and vitamins into the skin upon contact with moisture."
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