The creative team behind Oatly appear to have a sense of humor.

In less than 24 hours, the vegan-friendly milk company designed a shirt referencing its unconventional Super Bowl commercial and put it up for grabs on its website.

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The white short-sleeved t-shirt features the company’s CEO Petersson along with text that says, "I Totally Hated That Oatly Commercial."

Oat milk brand Oatly gave away free t-shirts to people who hated its Super Bowl commercial. (Oatly)

Oat milk brand Oatly gave away free t-shirts to people who hated its Super Bowl commercial. (Oatly)

Petersson made his Super Bowl debut with a 30-second ad of himself singing about the brand’s oat milk.

"It’s like milk/Made for humans," he sang a while he also played a keyboard in an open oat field. "It’s like milk/But, made for humans."

"Wow, wow, no cow," Petersson later belted as the tempo picked up.

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The ad elicited strong reaction from social media users who voiced whether they loved or hated the commercial.

"Lol weird commercial but I love @oatly," wrote record producer and songwriter Questlove.

On the opposite end, author and journalist Derek Thompson joked that the Oatly commercial inspired him to drink cow milk.

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"Haven’t had real milk in months but that Oatly commercial has me strongly reconsidering," he tweeted.

Although the internet seems to be divided on Oatly’s marketing tactic and Petersson’s singing, the brand’s Super Bowl t-shirt was completely out of stock as of Monday evening.

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"The rules of time and space make it impossible to give you back the 30 seconds you just spent watching our Super Bowl commercial, but at least we can give you this free t-shirt that lets the world know where you stand on our attempt to promote Toni’s singing skills to a wider audience," the shirt’s product description says.

Oatly also sold out of its $28 "Wow No Cow!" t-shirt, which was similar to the one Petersson wore in the commercial.

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Representatives at Oatly did not immediately respond to Fox News’ request for comment.