Get That Winter Tan   Yes, camel-hair topcoats really are made from camel hair. But camel-colored topcoats can be made from a variety of fabrics, including wool, cashmere, and camel-hair blends. Bottom line is, in an elevator crowded with gray, black, and navy, it'll get you noticed. It's a coat with an air of luxury that should be worn proudly.  Camel cashmere coat, $1,995, by Calvin Klein Collection. Suit, $2,975, by Giorgio Armani. Tie, $125, by John Varvatos. Scarf, $140, by Paul Smith Accessories. Gloves, $78, by Kenneth Cole New York.
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