I may be going mad but I'm certain I saw a dress online fairly recently, sort of t-shirt shaped but with more of a scooped neckline, knee length ish, I think it came in 3 colours... the black/navy colour had a muticoloured band (turquoise/red and ?) around the waist and possibly around the hem. As I recall the other colours didn't have the contrasting band.
I thought I'd only recently been looking at dresses online on Oasis, Pepperberry, Boden and LTS but I've drawn a blank in all of those. The fact I recall it was available in 3 different colours suggests Boden but its not there!!! Does this dress ring bells with anyone else?