Levi's is the registered trademark of a kind of blue denim jeans made by Levi Strauss & Company of San Francisco. Other garments and accessories made by Levi Strauss, such as tailored slacks, jackets, hats, shirts, skirts, and belts, are sometimes also referred to as "Levi's," but the trademark is properly applied only to the line of jeans with the designated style number "501" and distinguished by the following unique features: a fly of metal buttons rather than a zipper, copper rivets on the pocket seams, a leather label sewn on the waistband, a stitched pattern of a double "v" on the back pockets, a red tag with the word "Levi's" sewn into the seam of the right back pocket, and the use of heavyweight cotton denim that will "shrink-to-fit" an inch or so at the waist and legs with the first laundering. After nearly 100 years...