Approaching the traditional party season, with its abundance of corporate evening events and social celebrations aplenty, here we turn our attention to the classic black tie dinner suit, otherwise Navy Blue Tuxedo with Black Shawl Lapel Gentleman's Guru Navy or Blue Suit With Black Shirt: When It Works, Ties & Shoes Nimble Made Mens Wool One Button Shawl Tuxedo With Double Breasted Vest Navy Blue