Men's Bonobos Italian Stretch Wool Dress Pants - Black - Formal pants What happens when first-class comfort meets a world-class fit Something incredible. These versatile four-season wool pants have a hint of stretch for comfort while you move, and they're designed to bounce back from whatever comes your way. Whether it's a long flight overseas, or simply a busy week at the office, the Stretch Wool Dress Pant will always stay in top form. Simply put, it is a wardrobe essential—the versatile, all-purpose dress pant that can recover and perform after just about anything. Italian Marzotto Fabric, 98% Wool, 2% Elastane.