Laid-back can still be a stylish and formal option for a wedding look. Single-breasted linen or cotton blazers and jackets offer a breezy and relaxed suit without sacrificing style or structure.

Left: A cotton-linen blend is perfect for a spring or summer event. Ludlow slim-fit unstructured suit jacket in Deep Water - J.Crew, $199.50; Middle: This suit can easily be dressed up or down for any wedding style. Madesimo Linen Suit - Indochino, $552; Right: This blazer and trouser set is ideal for the easy-going groom. The Linen Blazer and Linen Trouser in Cornstalk Chambray - Everlane, $198 and $118