This is an oversized single-breasted blazer with welt pockets, a notched lapel and a darted waist for shaping. It's cut from soft, 100% wool twill with an easy drape. This is a size 1 for reference I usually wear a size 4 in other Aritzia clothing, but see measurements below. Responsible Wool Measurements for Size 1 Bust: 30.5” — 33” Waist: 22.5” — 25” Hips: 32.5” — 35”