Transparent Clothes Illusion

As you see, these clothes appear transparent, while infact it’s only a paint job. Women’s underwear is painted on the outer side of skirts or trausers, giving transparent clothes optical illusion. Some of these paint-jobs are done so perfectly, you would have a hard time believing they were for real.  I’d bet they were done in photoshop or that the clothes are actually transparent. What’s your opinnion?