It’s a suit. J.Crew blazer, sharkskin blazer and trouser

I found the pants that match this jacket. They are in amazing shape. I’m modeling the jacket (it’s definitely too small for me) Wanted you to see the nice slim shape, looks good buttoned or unbuttoned. Great alternative to a black blazer. The vibe is black, but it’s It’s shiny wool blend fabric, giving off a silvery gray look. See fabric content in the photo. Fitted size 6. Pants size 6 Inseam 32”, across hips 19”, rise 10.5”. I think this is what they called City Fit, waist 15”