Nude Convertible Bra fits like 36F (rubs small says 36H on tags) NWOT

This bra is new without tags never worn! Bought it online but it is too small for me. The tag says 36H but it runs about two sizes smaller and fits more like a 36F. This convertible bra comes with two straps and a back clasp extender. The sides and back are reinforced (see pics) to smooth those unwanted back rolls! I wish it fit me!