Viscose Black Dione Blouse. Looking for that chic sustainable fashion blouse to elevate your look this spring 2024? Check out this Viscose Black Dione Blouse which is a new arrival over at Thinking Mu. This ladies top is made from Viscose ECOVERO™ making it a great sustainable fashion choice this season. Its design includes a tight fit at waist combined with Crossover V-neckline. Long sleeves are to keep the chill at bay as we head towards warmer weather.