Most midi swim tops are fully lined and described as opaque, designed to provide comfortable, non-sheer coverage rather than a sheer or skimpy fit.
Support varies by style: some tops include removable cups, others use wireless construction with a built-in shelf bra, and some list sewn-in cups for extra shaping.
Closure styles range from pull-on designs (no back hardware) to adjustable closures. Examples include clasp closures often used on H-back styles, tie closures behind the neck and at the back, and G-hook back closures that offer additional adjustability.
Common care instructions recommend hand washing and line drying or laying flat to dry. Many listings also suggest rinsing in clean water after each use; however, some product pages do not include specific washing or drying directions.
Common styles include H-back designs with clasps, behind-the-neck and back-tie configurations, and multi-way or convertible straps that let you change the fit and styling.
Fits are often quite adjustable: many listings feature multi-way straps, behind-the-neck and back ties, and G-hook back closures for fit adjustments, and some styles include removable cups to change shaping.