70s Yellow Halter Disco Dress Small to Medium Super Sonic.EXE 2 by MrArt26021986 on DeviantArt. Vintage 70s light yellow knee length a line dress with a halter neck. Measurements and Condition: Fits like: Small to medium Fabric: Feels like polyester Brand: None Condition: Very good, with a 1 2" very faint brown discoloration near front hem of skirt. Length: 41 Chest: 34" to 36" Waist: 27" to 31" Hips: Free Shown on a 58 model with measurements of 34 26 37, usually wears a size small. See our FAQ for more info on sizing and condition ratings.