Silk YarnSilk Yarn are not 100% silk but silk blended yarns. We carry silk blended yarns from some of your favorite manufacturers including Deborah Norville and Patons Yarn. Deborah Norville Collections Soft Silk Yarn is 78% cotton and 22% silk. It comes in both solids and variegated. This yarn rates 11 on the Knitting-Warehouse Softness Meter so it is very very soft. Patons Silk Bamboo is 70% Bamboo and 30% Silk it is also very very soft, rating 11 on the Knitting-Warehouse Softness Meter.