Patagonia Heavy Flannel Shirt This is a popular Portuguese-made piece. Likely from 1998, with an F8 marking. Black and white houndstooth, a rare and highly sought-after pattern. Size: M size Actual Measurements: Shoulder width: Approximately 53 cm Body width: Approximately 60 cm Length: Approximately 72 cm Sleeve length: Approximately 59 cm Condition: No noticeable damage or stains. There is a feeling of wear, but I think it's in good condition.