Feather Boa. Small: Jacket Chest: 32–34" (81–87cm), Jacket Length: 20" (51.5cm), Sleeve Length: 23" (58cm), Vest Chest: 35–37" (89–94cm). Large: Jacket Chest: 39–41" (99–105cm), Jacket Length: 22" (55cm), Sleeve Length: 25" (63.5cm), Vest Chest: 41–43" (104–109cm).