Alexander Mqueen Men’s jacket blazer Size 50

Alexander Mqueen Men’s jacket blazer Size 50. Pre owned condition. Two holes on the sleeve. One hole on the upper back The body is Unlined. Only the sleeves are lined. I don’t know if this is true to size or not. Chest pit to pit 20.5 inches across. Length 29” inches. Sleeve length 23 inches. Shoulder 18 1/4 inches. Dark gray. 100% wool. Made in Italy. 4 button on the front. The 3 button on the cuff won’t unbutton, because no button holes.