Rare navy blue knit pant set designed by Marchesa di Grésy made in Italy exclusive for I Magnin in the 1960's. Knit top has long sleeves and unique square neckline. A few small pin holes. Pants are high waist with elastic waist band and side leg slits. Wear together or seperate. Layer with other knit pieces. Well made. Good condition. 
 
Measurements:
Size S
Waist 28
Inseam 26"
Length 39"