Unisex, in like new condition, needs cleaning, seems to be worn only once, perhaps to a prom, the pants haven't been fixed at the hem. and they still have the paper size tag, is a 40
feels like a light polyester, is a summer suit
3 pieces, jacket vest and pants
the pants have waist pockets and are for a very narrow belt, or a double belt as I used to wear them back then

Detailed measurements:

the jacket
17" shoulder to shoulder seam
20" pit to pit
19" across the waist
30" long
sleeves are 24 1/2

the pants are 15" across the waist
19" across the hips
inseam is 37"
from the middle of the waist to the crotch is 11"

the vest:
19" from pit to pit
18" across the waist
24" at the longest at the center, 2" at the sides

This item is sold from an excellent, highly rated vintage boutique in Los Angeles, CA.