Business formal attire is an upgrade from your normal day ... A man's option for business casual includes a polo shirt, collared shirt or sweater. Khaki or dress pants along with dress shoes ...

Vince made the opening shallow here, which keeps things a little more formal ... cocktail attire look. For a looser fit optimized for comfort, check out the Commuter Long Sleeve Polo from Rhone.

Instead of wearing a predictable 007-style ensemble like most male guests, the Montreal marketing director, 32, shrugged a relaxed-fit, desert-brown suit over a black linen polo. Result ...

So, what exactly does beach wedding guest attire mean? Well, unlike other wedding dress codes—formal, semi-formal ... men include a button-down, a knit polo or camp shirt, a pair of slacks ...