A list of potential substitutes, if you can
ROWAN FINE TWEED HAZE ALPACA and MERINO Wool 10 x 50g - GREEN
Go Knit In Your Hat: Fall preview: Rowan
Rowan Ribbon Twist Super Chunky Yarn - Canada
The Newbie and the Knitter Knitalong
Ravelry: Rowan Silk Twist
Twist Knitting and Spinning
Twist yarn hi-res stock photography and images - Alamy
Another twist to Kidsilk Haze: Kidsilk Haze Glamour
This lofty DK is slightly thick and thin, wrapped with a strand of silk. The silk absorbs dye differently for a pretty highlight throughout. Yarn
Silk Twist by Wonderland Yarns (dk)
Rowan Silk Twist Aran Yarn 5 X 50g Balls in Cream Shade 664. Silk Wool Mohair, Luxury Aran Yarn From Rowan, All Same Dye
Hand Maiden Silk Twist – Romni Wools Ltd
Another twist to Kidsilk Haze: Kidsilk Haze Glamour
Cotton Silk Tweed – Crumbz Craft