Blue Willi's Made in Denmark Indigo dyed cotton denim shirt with knitted body and sleeves Denim collar, pocket and button band Branded snap buttons Blue Willi's was a Danish clothing brand that is no longer in business. When in operation, they made wonderful knitted products in silk, linen and cotton. Rare to find them -in such good condition as the pieces I have in my closet. Pre-owned and comparable vintage pieces being sold on Ilse Jacobsen site for $175 and up