St. John 3 Piece Pant Suit.
US size 6, but please check measurements below carefully. Jacket made of 72% wool, 28% rayon. Knit fabric with some stretch. Single button closure, no lining or pockets.
Pants don't have a fabric tag, they are likely polyester or acetate. Flat front and back, no pockets.
Sleeveless blouse is made of 95% silk, 5% spandex. V-neck with center pleat. Zips up the side.
Very gently worn.  No holes, stains or snags. 

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Pant Measurements:

Waist: 32"
Rise: 10.5"
Hips laid flat: 19.5"
Inseam: 29"
Overall length: 42"
Jacket Measurement:
Shoulder to shoulder: 17"
Underarm to underarm: 21" 
Sleeves: 24"
Waist: 39"
Overall length: 38.5"
Blouse Measurement:
Underarm to underarm: 19" to 21"
Waist: 39"
Overall length: 25"