I ordered Medium Purple after reading all the other reviews about needing a size up. I have a 34 B and the size chart says "S, M 34" but also "M, L 36". Well one is huge so I measured the bar at rest and it's 36 inches. AT REST. It's elastic, so if you have a size 36 strap, it'll probably be comfortable; snug if you're taller but offers no support if you're shorter. It looks well made enough so I'll probably keep the small one on my wish list, but it's doubtful I'll order it again to be honest; ambiguous size charts are really annoying. Of course I'll send it back. I hope someone in their 34s sees this and finds it useful!
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