Simplicity 6974 vintage sewing pattern, dated 1985.

Designer: ESPRIT

Misses' Easy-To-Sew Oversized Shirt And Pull-On Stirrup Pants ... Pants Sized For Stretch Knits Only: 

Top-stitched shirt with front button closing has convertible collar, shirttail hem, extended shoulders and long sleeves rolled up (wrong side of fabric will show). Slim fitting pants with elastic waist casing have self stirrups.

Size      SMALL 10 -12:

Bust      32.5 - 34 inches / 83 - 87 cm

Waist    25 - 26.5 inches / 64 - 67 cm 

Hip        34.5 - 36 inches / 88 - 92 cm 

Pattern is cut and checked complete. Envelope is in good vintage condition.

More 80s patterns here:

http://allthepreciousthings.com/collections/1980s