What Is a Notch Lapel? The Most Common Suit Jacket Lapel Style

Notch lapels are appropriate for the vast majority of formal business events, weddings as a guest, and dressy social occasions. However, for black-tie events and very formal evening occasions, peak lapels or shawl lapels are traditionally preferred. The distinction is between business formal (where notch lapels are perfectly appropriate) and evening formal or black-tie (where peak or shawl lapels are the convention). If you own only one suit and receive a black-tie invitation, a notch-lapel suit in dark navy or charcoal is acceptable — underdressed by strict etiquette standards but far better than not attending. For weddings, notch lapels are entirely appropriate for guests and increasingly common for grooms, especially in less formal or outdoor settings.

For a modern but timeless look, notch lapels between 3 and 3.25 inches wide hit the sweet spot. This width provides enough visual presence to look intentional and proportional without tipping into trend territory. Slim notch lapels under 2.5 inches — popular in the early to mid 2010s — have already begun to look dated, while very wide notch lapels over 4 inches can overwhelm the jacket's proportions unless the wearer has a broad frame. The notch angle also matters for a modern aesthetic: a moderately high gorge point (where the notch sits) creates a contemporary look without appearing fashion-forward, while a very low gorge reads as vintage or deliberately retro.