The straps are crucial. They are not thin, fragile strings. Instead, they are thick, sturdy —approximately 1 to 1.5 inches wide. In the series, these often sit closer to the shoulders (standard tank style) rather than a racerback, though fan interpretations vary. The straps are adjustable, but the anime typically shows a fixed, sewn look.
In real-world replicas and cosplay versions, it is usually crafted from high-stretch nylon or spandex blends to achieve the sleek, matte finish seen in the series. Character Context karen yuzuriha swimming top