Top 28 Activewear & Outdoor Brands for Resale on eBay, Poshmark, and Mercari in 2025

As the trend of athleisure wear continues to gain popularity, more and more people are turning to resale platforms like eBay, Poshmark, and Mercari to buy and sell activewear and outdoor brands. In 2025, the market is expected to be even more saturated with a wide variety of brands to choose from. Here are 28 of the best activewear and outdoor brands to resell in this niche: 1. Lululemon – Known for their trendy and high-quality workout clothes, Lululemon is a popular brand among fitness enthusiasts. 2. Nike – A household name with a wide range of athletic wear and […]