Blue Sky Alpacas Worsted Cotton Yarn is a similar yarn: cotton, hand wash, 4.5 sts / inch, and on size 7 US needles. You may also like Berroco Modern Cotton Yarn, which is another similar yarn: cotton and on size 7 US needles.
What about yarn that have the same look and feel? Find more yarn with a smooth / uniform and dense texture, and a low (drapey) twist.
You may enjoy taking a look at the Cascade Luna Breezy Tank, and Cascade Luna Scalloped Eyelet Cardigan kits all using Cascade Luna Yarn.
Hopefully our suggested project ideas for Cascade Luna Yarn can help you come up with your next exciting new project idea!