The Best U.S. Sweatshops
https://www.businessinsider.com/the-best-u-s-sweatshops/ International wholesale sweatpants are available from the largest brands in the U.K., Australia, and many other countries.
For example, a $25 sweatpants from Puma is a great deal compared to a $600 pair from H&M.
The most popular brands are Nike and Adidas, but there are a handful of other brands that are also on the market, including Under Armour, Zara, and H&M.
You can check the list of major brands here: https://www-g.com.uk/stores/sweatshop/index.html?storeId=0&storeName=United-Kingdom&sort=desc&itemName=sweatshirts