Fits true to size – Take your normal size Slim fit Model is 173cm/5ft 7in and is wearing size UK 6 Single-breasted, notch lapel collar, long sleeves, front button fastening, two front patch pockets, curved front hem, stretch fabric Composition and Care: Main: 71% viscose, 24% polyamide, 5% elastane. Sleeve lining: 54% viscose, 43% polyamide, 3% elastane. Dry clean Colour: Black BOSS Jonalahra Single-Breasted Blazer - Black