Trending Bathing Suits 2025. Here, we summarize the five overarching swimwear themes for spring/summer 2025. Our digital fashion trend book details design direction for spring summer 2025 and uncovers the 3 key macro, and 18 micro trend stories that will push swimwear design forward.

Below, our 10 favorite trends for spring 2025 and how to get the look now. Cara o’bleness is a writer and editor on the lifestyle and trending news team for si swimsuit.