Size 11, but please refer to the measurements! This is a 3-piece set including a jacket, skirt, and vest. The vest is reversible, with gray or check patterns, allowing for versatile styling. The skirt has a slit in the back. The gray jacket has a check-patterned lining. - Brand: YOUNG ECHO - Color: Gray - Design: Two-button, with pockets - Lining: Check pattern 【Measurements】(cm) Jacket: Length: 65 Shoulder Width: 35 Width: 43 Sleeve Length: 54 ⊹ ࣪˖ ┈┈ ˖ ࣪⊹ ┈┈⊹ ࣪˖ ┈┈˖ ࣪⊹ 【Measurements】 Skirt: Waist: 32 Total Length: 72 ⊹ ࣪˖ ┈┈ ˖ ࣪⊹ ┈┈⊹ ࣪˖ ┈┈˖ ࣪⊹ There may be slight variations in measurements. Please understand that this is a used item. #erinko's product list is here ✨ Vintage, rare, travel, retro, going out, entrance ceremony, graduation ceremony, company entrance ceremony, business suit, casual, stylish, formal, all seasons, women's suit