The Full Windsor Knot is ideally suited for wide, spread-collar shirts.

温莎结非常适合宽的展领衬衫。

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For a dinner or drinks night, a spread collar pairs well with a sport coat or V-neck sweater and looks modern.

WSJ: Guide to Men's Shirt Collars: Which Styles Go With Which Occasions and Flatter the Face

The proportions of a spread collar would work best with a double-breasted sport coat or one with wide peak lapels, he says.

WSJ: Guide to Men's Shirt Collars: Which Styles Go With Which Occasions and Flatter the Face

Another collar that goes well with a sport coat sans tie is the semi- or medium-spread collar as both "stand up on their own without a tie, " and don't flare out.

WSJ: Guide to Men's Shirt Collars: Which Styles Go With Which Occasions and Flatter the Face