Chico blouse's size 0,1,2 plus

Chico's Blouse Size 1 plus in red, black, beige and white. Chico's Blouse Size 2 Plus in black, purple, baby blue and white. Lastly, Easywear by Chico's Blouse Size 2 plus in a sheer, black,grey and ivory. These look like they are made smaller than the size stated.