Grey Wool Blazer (everlane tagged for exposure)

I bought this from Etsy boutique, but the fit is too oversized for me. Including info from original seller below: Vintage 70s/ 80s light powder blue herringbone boyfriend blazer in pure wool. Unworn and great quality. 100% wool. Size: Fits S M L, depending on style. Please refer to the measurements taking in inches, with the item lying flat. Bust, waist and hips are doubled Measurements: Shoulders: 18" Bust: up to 44" Hips: 44" Sleeve Length: 24 1/2" Length: 32 1/2” (Not everlane; vintage)