Lululemon’s Define jacket is popular but pricey at $118. I tested it against a budget-friendly $40 version to see how the workout jackets compare.

Most notably, the viral lululemon Define Jacket has racked up over 2.8 billion views on TikTok, per reviewers who dubbed it the Brazilian Butt Lift (BBL) jacket.

If you're a frequent TikTok user, you've likely seen videos of women showing off their Lululemon Define Jacket ($118). With countless participants, including one with over 1.4 million likes, the ...