I bought 2 of these (green and beige) in the size I normally wear, and they fit perfectly on the tightest hooks. I wouldn't call this a "high impact" bra, but it gets the job done for most of what I do at the gym. These are really a great deal, because it's next to impossible to find an underwire sports bra that isn't just cute (padded, ridiculously skinny straps that don't hold anything up, etc) for under $60, so I was thrilled that these worked out! They aren't padded, but I consider tSee full review