AUTHENTIC Prada Sport Performance Jacket - This jacket wears more like a vest. Size: S | US4, IT4O Size Guide • Prada Sport Performance Jacket • Black • Collarless • Zip Pockets & Zip Closure Details Estimated item measurements Bust: 33.5" Waist: 30" Shoulder: 15" Length: 24.25" Sleeve: 29" Color: Black Clothing Size: S Foreign Size: US4, IT40 Fabric: 67% Viscose, 31% Nylon, 2% Other Fibers