Dubarry Longwood Shirt. Easy Iron gingham cotton shirt with long lasting colour clarity. Button-down collar and button fastening cuffs. In a range of colours. - The Longwood is a wardrobe essential, a gingham check cotton shirt with an easy iron finish that can be dressed up for workwear or down for casual days. A button-down collar and yarn which is individually dyed before weaving to give lasting colour quality, makes for obvious and lasting quality.