RARE Vintage Purple Acid Wash Denim shirt. Size: XL Front length: 28" Width: 26" The VTG Duck Head Men XL Acid Wash Denim Blue Jean Long Sleeve Button Shirt is a vintage piece made in the USA by Duck Head. This classic button-down shirt features a collared neckline and long sleeves, perfect for casual, workwear, or travel occasions during the winter and fall seasons. Made from cotton denim in a solid blue color, this shirt also includes embroidered and logo accents, embodying a retro 90s American outdoor style. With its regular fit and machine washable fabric, this shirt combines timeless design with quality craftsmanship.