I have difficulty finding a good fitting bra because one of my breasts is larger than the other. What can I do ?

This is a very usual phenomenon although in many cases the difference between the breasts is not noticeable. You can try fabrics, such as our microfibres, which have more elasticity and are therefore more accomodating. Adjusting one of the straps, so that the strap of the larger bust is looser, will also help.