Crop top button up. One tan and another blue. Blue 2X and tan XL

I have two crop top button up sweaters. One button up is tan and the size is an extra large. The other button up is blue and that one is in 2X. These are very comfortable. Worn multiple times style anyway you like. You can either wear them button up or you can open them and have a tank top under. In my own experience, I have bigger arms, so I sized up.