Portuguese Flannel takes inspiration from the local coastal and mountainous landscapes, with the blue and green check of this Otton shirt. Manufactured by master craftsmen in northern Portugal’s old town, it’s the perfect way to inject a touch of Portuguese heritage into your AW22 wardrobe. 100% Cotton, Button Closure, Chest Pocket. Portuguese Flannel Men's Otton Button Down Check Shirt in Green/Brown/Navy, Size Large | END. Clothing