The Calvin Klein 100% Wool Blazer in size 40S is a classic and formal men's sport coat designed for the modern gentleman. Crafted from high-quality wool fabric, this black tuxedo jacket features a short length, solid pattern, and a four-button sleeve button style. With a classic fit and a single-breasted design, this blazer exudes a timeless elegance and sophistication, making it a versatile and stylish addition to any man's wardrobe. Perfect for formal occasions or professional settings, this designer blazer from Calvin Klein is sure to make a statement.