Vintage contrast stitching navy blazer

Lined. Flap hand pockets with button closure. Button down. Decorative button at cuffs. Inner pocket in lining. Made by Southampton Sportswear. I think this is originally made for Menswear. Labelled size Small. Model is US 4, 5’9. Approx 28.5in length, 17in shoulder seam to seam, 23.5in sleeve length, 19.5in pit to pit, 17.5in width at waist, 19.5in width at hips.synthetic fabric but no material tags. May fit small best but will fit a bit oversized(see measurements).