Musing on the Menswear Shows 6

I am wondering if using the Ruffin brush for this looser, messier coloring style is the way to go? My tendency is to think a watercolor technique is what I should do, but that's the classic fashion illustration technique in my head because I grew up idolizing Antonio. But the Mid Century artists did fashion illustrations with this technique, so I wonder if this is my newer adaptation. Thoughts...