60’s Brightly Colored Flower Power Maxi DressMad Men 60's style beautiful colorful floral maxi dress, long sleeves, self made, polyester, back zipper closure, front bottom slit. Beautiful in a great vintage condition with some minor staining, but I didn't try to clean it. Dresses in the 60's: The first maxi dress appeared on the runways in 1967, and the style was adopted by the mainstream toward the end of the era when psychedelia patterns were trendy. Bold and wild florals, abstract art motifs,