Boyfriend fit Our boyfriend fit is a relaxed unisex cut. Tuck it in or let it flow – the choice is yours. The table below shows the measurements when laid flat. size inches cms x-small A 17 42 B 25 62 small A 18.5 46 B 25.5 64 medium A 20 50 B 26 65 large A 22 54 B 26.5 66