Pendleton Shirt Mens Medium Green Blue Plaid Flannel Button Up Long Sleeve The Pendleton Shirt is a stylish and comfortable men's button-up shirt in a size medium. Made from flannel fabric with a blue and green plaid pattern, this shirt features long sleeves and a classic design perfect for casual wear. With the trusted Pendleton brand, you can be sure of the quality and craftsmanship of this versatile piece.