August 7, 2015 11:08 AM EDT

Before you hit the beach this weekend to ogle at the array of board shorts, Speedos and everything in between littering the seaside, take a quick gander through men’s swimsuit history with this video.

This look back through swimwear history is very revealing — in more ways than one. The slightly racy video from Mode Glam, starts all the way back in 1915, which is when men first donned bathing attire, according to the site. The vintage swimsuit could double as long underwear, a look that had only marginally improved by 1925 when men’s swimwear bore an uncanny resemblance to a wrestling singlet.

As fashion’s long march continued, the parade of bathing beauties hit the beach in smaller and smaller swimwear, hitting their peak in the 1970s. While the 1980s are generally known as a time of excess at least their swimwear was moderate.

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