Known by many names: Engineer Cap, Shop Cap, Flat Top Cap or Striped Cap -- this cap is a classic! Made of sturdy 10 oz. 100% hickory stripe cotton. Comfortable twill liner band. Adjustor in back for multiple sizing.Key Industries has manufactured top quality apparel, loaded with features, at great prices, for over 100 years. Key workwear has its roots with the farmers, railroad workers, loggers, carpenters, road pavers, bricklayers and others who need the best-made garments available.