Berroco Blackstone Tweed Yarn is a similar yarn: wool, hand wash, heavy worsted/aran (16-18 sts/4 in), 4.5 sts / inch, 50 gram. You may also like Blue Sky Fibers Brushed Suri Yarn, which is another similar yarn: hand wash, heavy worsted/aran (16-18 sts/4 in), 4.5 sts / inch, 50 gram, and on size 8 US needles.
What about yarn that have the same look and feel? Find more yarn with a hairy texture, a low (drapey) twist, and is machine dyed.
You may enjoy taking a look at the Rowan Kid Classic/Kidsilk Haze Rosamund Cardigan, Rowan Kid Classic Wilson Cardigan, Rowan Kid Classic Hollie Pullover, and Rowan Kid Classic Laurel Pullover kits all using Rowan Kid Classic Yarn.
Hopefully our suggested project ideas for Rowan Kid Classic Yarn can help you come up with your next exciting new project idea!