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These fresh-faced ladies of the 1920s modeled the current swimsuit garb of “modish jersey tank suits, curl-revealing caps and high two-tone shoes.” One can hardly imagine lacing up shoes for the beach or how much sand would enter them.
In contrast, the 2/7/55 LIFE compares the bleak, black tank/shorts of the past to the fashionable “sweater-girl bathing suits” of the present, with clinging knit, loud stripes, broad straps, skirts, and sleeves. Plus, they had the luxury of going barefoot.
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Either way, the lesson here is to always have a cigarette handy, especially at the beach.