A high, tubular, turned-down collar that fits closely about the neck.

高翻领一种高的管状的领子，可翻下，紧紧地包住脖颈。

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With a full down collar, cold air will have a difficult time getting into the bag.

FORBES: Sleeping Softly on the Roof: Sleeping Bag Reviews

Wearing a button-down collar shirt with a suit and tie has sometimes been frowned upon by purists.

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

Fans of a tweed sport coat with corduroy pants for the office should opt for the sporty feel of a button-down collar.

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