This set includes three bud sizes (small, medium, and large).

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Promising review:"I got these because I take loud indoor cycling classes about four times a week and started to notice my right ear wasn't happy about it. I love losing myself in loud music so I wanted something that would cut down just enough to where I feel safe without sacrificing my experience much.I've worn them for about a week now and they're great for my purpose.It's taken a bit of adjustment. If I push them too far in, then I find I lose too much of the audio and have a hard time hearing my instructor's cues. If I push them to where they're just barely in my ear, then they're perfect!Even though I'm running and sweating, I've had no issues with them staying put, which was my worry at first.I found that where I angle the tip also makes a difference in how much noise is let in, so keep that in mind and see if it makes a difference for you. I keep these in my bag now and I do go to loud concerts with some frequency, so that will be their next test!" —Maria

Get them from Amazon for $26.95 (available with a portable case).