H&M Blazer Mens 38R Dark Navy Blue Suit Jacket Slim Fit Polyester Blend Wool H&M slim fit dark navy blazer Size 38R Chest measures 20 1/2 inches across the front. Waist measures 18 inches across the front. Length from shoulder is 28 inches. Shoulder seems measure 17 inches across. Sleeve measures 25 inches from shoulder seam.