This is from Uniqlo’s sister brand GU. Bought them in Japan. You can use separately each items. The size shows Japanese Medium like American Small. All measurements are approximate please allow some wiggle room: Shirts dress Bust: 20” (armpit to armpit) Shoulder: 8” (neck width) Sleeves: 27 1/2” (neck to hem) Length: 47” (highest shoulder to bottom hem) Width of mid torso: 20 1/2” Knit Vest Bust: 19 1/2” (armpit to armpit) Shoulder: 7 1/2” (neck width) Length: 24 1/2” (highest shoulder to bottom hem) Width of mid torso: 19 1/2”