They are generally made from sturdy leather uppers and non-leather outsoles. Casual shoes are characterized by sturdy leather uppers, non-leather outsoles, and wide profile. Originally, shoes were made with leather uppers and wooden soles. The firm began as leather curriers and manufacturers of boot uppers. The leather uppers were then fitted closely to the groove around the sole. Brass soled shoes with canvas uppers were introduced in WWII and are still in use. Waterproof gumboots are made in different lengths of uppers. Bull's buff waistcoats, topcoats, trousers and boot uppers were typical of 16th- and 17th-century Englishmen. A revival of high-top shoes with cloth uppers was forecast to replace them. The first collection in 2012, consisted bold color uppers with a gum sole. Uppers, downers, Quaaludes, whatever you like. Any combination of uppers and downers can be called a speedball death. Crystal meth and other "uppers" also "require more frequent use" than "downers" like opiates. Different styles were then developed such as lowers, uppers, sit-downs, grounds and blocking. Uppers also featured 3M Scotchlite material.