Piper Sandler’s 50th semi-annual Taking Stock with Teens Survey found that Lululemon and Vans are continuing to lose favor, but the majority of athletic brands, including Adidas, New Balance, On, and Asics, are increasing in popularity with teens. Nike’s erosion in teen preference has stabilized, while upstarts including Alo Yoga, Gymshark and Vineyard Vines are building teen followers.