Honestly this seems like some sort of glitch because the size chart on that particular wetsuit is the men's size chart, not the women's. The other wetsuits still have the same women's chart. I would maybe contact them and ask but even the sizes you can choose from up top don't match the size chart.

Highly recommend buying at least one size larger than Roka recommends. At least at least. IIRC my wife wore one that was 3 sizes larger than recommended in order to get the shoulder freedom she wanted. Then she moved to desoto. (no affiliation)

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Probably depends on body type rather than just height/weight. I read comments like this a lot about Roka but their size chart seems to be exactly right for me.

What I'm saying is their size chart has changed.

Formerly, it was that a ML was the size needed for someone who is 5'5" and 140 lbs. Now, it say that a Small is needed.

As mentioned, it appears to be some sort of a glitch.