If you're looking for a classic pair of pants for a formal event, these women's black chiffon pants by St. John are perfect. With a solid pattern, zip closure, and wide-leg design, these mid-rise pants feature a pleated detail that adds a touch of sophistication. These pants have a flat front and a 30-inch inseam for a flattering fit. They are made of polyester and require dry cleaning only. The pants would be ideal for those who want to look their best at an elegant evening.