San Francisco Earthquake & Fire 1906 "Mandarin Pinstripe Suit Men's 5 Button Navy Style". Mongolian Collar: Also known as a mandarin collar, banded collar, or cossack, this timeless detail adds a classic touch to any look. 5 Button Closure: A classic, secure closure for a tailored fit. Regular Fit: Comfortable and flattering, the regular fit allows for a wide range of motion. Faint Pinstripe Fabric: A subtle, stylish detail that adds visual interest to any ensemble. This suit is the perfect addition to any wardrobe. With its timeless mongolian collar, 5 button closure, regular fit, and faint pinstripe fabric, this suit is designed to provide a classic, comfortable look that is sure to turn heads.