I bought this bra and the back hook version in size 44I, thinking it was US sizing. After doing some research on the brand, it appears to be made according to UK sizing which is slightly different in the cup sizes, usually one or two cup sizes lower. Band measurement is the same though.Even with that, I feel like the cup size may be off. An I cup in UK sizing should have been too big for me but in fact, it was a little too small. Not so small as to be uncomfortable or for any breast tissue to be bulging out anywhere but the girls did feel a little smooshed in there. This was even after doing the "swoop and scoop" to make sure everything was in place.Band fit was fine, snug but comfortable. The bra is a little stiff but very supportive. I love the wide straps and shoulder pads and the metal clasp for adjusting the strap length. One reviewer mentioned that the clasps dug into her skin but I haven't had that problem. One funny thing, the front hook bra is more comfortable for me than the back hook bra.