If you're leaning toward timeless luxury, this slim-fit tuxedo by Vera Wang is a worthwhile pick
Classic collar, button-up closure, zip closure at side
Buy DGKaxiyaHM Men's Relaxed Ice Silk Thin Business Trousers Straight Leg Tapered Suit Trouser Solid Color Simple Dress Pants (Black,29) and other Dress at Amazon.com
A pleated trim and a cascading sash create movement down the flared crepe silhouette, while the asymmetric neckline and contrast colorway keep it from reading as a plain gown
For black tie optional weddings, the couple and the wedding party will likely be wearing traditional, formal black tie attire, so youre invited to do the same
"When it comes to black-tie evening dresses, floor-length is preferred, but a mid-length also works