80's St John Embellished Sweater cotton eagle shirt I cannot find a size

I cannot find a size tag but these are the approximate measurements 12" across the waist

from bottom of collar - 38

Sporty and stylish gray waffle weave sleeveless sweater by Lizsport

Luxury at it's finest

80's St John Embellished Sweater cotton eagle shirt I cannot find a sizeDESCRIPTION: 80S 90'S ST JOHN SANTANA KNIT CARDIGAN JACKET WITH GOLD BUTTONS AND GOLD EMBELLISHED TRIMMING CONDITION: GREAT VINTAGE CONDITION COLOR: CREAM, GOLD STITCH NOTES: VINTAGE LABEL SIZE: S BRAND LABEL: ST JOHN BEST FITS: S M MATERIAL: WOOL BLEND MEASUREMENTS (TAKEN FLAT) ARMPIT TO ARTMPIT BUST: 21 1 2 HEM SWEEP: 16 1 2 LENGTH: 20 ***Vintage is pre owned and pre loved, which means that it is in secondhand condition. Please choose your vintage