Black Organic Cotton Knitted Vest. Looking for that extra bit of sustainable style and comfort this winter? Check out this fab Black Organic Cotton Knitted Vest from Thought fashion. This super fluffy soft top is constructed using 59% organic cotton, 20% recycled nylon, 19% recycled polyester, 2% elastane. Its design includes open slits at the bottom, round ribbed neckline with stitching detail on the back.