Misti Alpaca Hand Paint Sock Yarn is a similar yarn: hand wash, fingering (27-32 sts/4 in), 7 sts / inch, 100 gram, and on size 2 US needles. You may also like Juniper Moon Farm Findley Dappled Yarn, which is another similar yarn: hand wash, 100 gram, and on size 2 US needles.
What about yarn that have the same look and feel? Find more yarn with a smooth / uniform texture, a low (drapey) twist, and is hand dyed.
Hopefully our suggested project ideas for Hand Maiden Sea Silk Yarn can help you come up with your next exciting new project idea!