Huit Response: Most importantly, we’re so happy you love this bra! We do understand how confusing it can be to find several different sizes on the same bra. Huit is a global brand, and we want everyone all over the world to be able to find their size. Although Huit is a very French brand it’s sized in the UK fashion: 34F would actually be the UK size equivalent to a U.S. 34G. The 75G would be European sizing, as the 75 refers to the band size (in metric measurement) and G is the cup size... The sizes on the sewn-on tag can be quite misleading! Jessica from Seattle