Upgrade your underwear game with the Calvin Klein Microfiber Stretch Boxer Briefs. These boxer briefs are made of 88% Polyester and 12% Elastane, which provides a lightweight and stretchy fit. The solid black pattern and multicolor waistbands make these boxers a classic addition to any underwear collection. The microfiber fabric type, machine washable garment care, and 3-piece pack number ensure that these boxers will last you a long time. These Calvin Klein boxer briefs are perfect for everyday wear and will keep you comfortable all day long.