Mens Vintage 40s Double Breasted Suit by Stone Field Corporation Chicago -
To my eye the suit is dark blue with neutral, may appear blue gray
Padded shoulders. Jacket has partial lining. Pleated front pant. No material is named, could be cotton blend.
Flaws:
Pants - Pants have cotton pockets and inside cotton pieces - these are discolored from age and front pockets are torn through, no longer functional. I have not had the suit cleaned an there are some small discolorations on the legs and a couple pen tip size holes.
Jacket - Holes in sleeves as shown with tiny hole center of top two buttons, a few tiny holes at shoulder and small holes at underarm seams. Lining at underarms is loose in one area.

Size not marked - Measurements taken with items laying flat.
The jacket: 28" in length, 19. 5" across the chest. 17. 5" shoulders, 24" sleeve from shoulder.
The pants : 40" outerseam, 28" inseam with 2. 5" hem allowance, 15" across waist: approx 30" waist, Leg circumference ankle: 20".

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This item is sold from an excellent, highly rated vintage boutique.