Från Itos hemsida:
ITO Kinu is a 100% silk noil yarn, also called organic silk, as it is produced from the leftovers of spun filament silk. Differently colored fibers are blended for this silk noil yarn, to produce a melange effect. Kinu is an all-purpose silk yarn - for sportive as well as for elegant wear. Knit it single or multistranded. Enjoy its pleasant feel.