1980's, thick knit, cotton, sack dress, in blue and red, houndstooth, by Bill buy Blass

1980's. thick knit, cotton, sack dress, in blue and red, houndstooth, by Bill Blass. Tag says size Medium (Women's), but please refer to measurements for accurate sizing. 100% cotton. Made in Hong Kong. Front pockets. There is a small mark on the neckline, see last picture, otherwise in excellent condition.
22.25" across shoulders
36.75" long, shoulder to bottom
20.25" underarm to underarm
20" across waist
20" across hips
18.75" across bottom
7.25" shoulder, neckline to sleeve
19" sleeve, shoulder to end
8.75" drop, shoulder to underarm