The majority of the collection's sweaters are prepared from high-quality wool-like Merino or Lambswool to keep you warm. Levi's is one of the world's largest clothing brands, founded in 1853 in the United States. Levi's founder was Levi Strauss, the man who manufactured the world's first blue jeans. Many shades of yellow include mellow, royal, gold, honey, butterscotch, fire, tangerine, summer, etc.