Mine arrived yesterday, so I thought I'd update with a little review. I went with my measured size (M) even though I was at the top of the range and it says it runs small, but that worked out well for me. I do have the velcro at the loosest setting that keeps velcro off my skin, but it may stretch out, so that's fine with me. I realize that my build (DD chest on very small ribcage) is to blame for never being able to get totally flat, but I don't think it's significantly better at getting my chest flat than my modified Underworks Tri-Top. That being said, it is quite comfortable and solves the problem of tissue spilling out the arm holes (though I still get a funny shape from binding power decreasing above the arm holes), and it doesn't stick out at the neck line and shoulders like my Underworks binder does, making it truly invisible under clothing. And it's a helluva lot easier to get on and off due to the velcro, which I completely trust to not come undone during physical activity, and it's more light-weight, which I expect to pay off when summer rolls around. Oh, and another bonus is that the velcro does not stick to any other part of the binder, so throwing it in the wash carelessly can't damage the binder (though I can't speak for any other fuzzy clothes you might have).