A navy blue blazer is one of the most versatile pieces of clothing a man can have in his wardrobe.  Classically, it has been paired with a white button-up shirt and khaki trousers.  However, a navy blue blazer may be worn with a plethora of styles of pants and shirts.  If there is one rule to take from this article is to make sure the last thing you wear with your navy blazer is navy trousers. Pants The safest bet you can go with is a pair of khaki trousers.  This is...