WHOWHATWEAR: 11 Swimwear Trends for 2021 Coming Soon SIZE We’re revealing the top swimwear trends of 2021 that will get you so excited you might just have to start curating your new swimwear collection now. And if you’re like me, we can both agree that you can never have too many swimsuits. From modern cuts and colors to versatile tops, keep scrolling to discover the must-have swimwear trends of 2021.