Knickerbocker Manchester Cavalry Twill Jacket in BlackKnickerbocker Manchester Cavalry Twill Jacket in Black. 100% Cotton Twill Teagan is 6'2 and wears the Large Made in Portugal Knickerbocker Knickerbocker, a New York brand founded by Andrew Livingston in 2013, began as a manufacturing company on the border of Brooklyn. Their philosophy centers around a deep appreciation for people and processes, which the brand has carried with it as it has expanded to work with like minded mills and factories.