Uniqlo’s bag comes with inner pockets and is billed as durable and water-resistant. In Japan, it costs 1,500 yen, and in the U.S. $19.90, coming in various colors, including light blue and violet.

Japanese brand Uniqlo is suing Shein over claims the Chinese fast-fashion retailer is selling copycats of its viral shoulder bag. Fast Retailing, the Japanese giant that owns both Uniqlo and ...