THIS SLIM FIT WOOL BLAZER/SPORTCOAT FROM BOSS HUGO BOSS IS AUTHENTIC, AWESOMELY STYLISH, UNIQUELY VERSATILE AND WELL MADE. BUYING THIS JACKET WOULD BE A SUPERB INVESTMENT AND A RELEVANT ADDITION TO YOUR WARDROBE.  IT IS COMPOSED OF WOOL. HERE ARE SOME MEASUREMENTS: SLEEVES: 25.5 INCHES, SHOULDER: 20 INCHES, SHOULDER TO HEM 29.5 INCHES AND THE ARMPIT TO ARMPIT:(SEE PHOTO). KEEP IN MIND THAT I AM NOT A PROFESSIONAL TAILOR AND THE MEASUREMENTS ARE APPROXIMATE. THANKS.