Artyarns Cashmere 1 Ply Yarn is a similar yarn: cashmere, machine wash, 50 gram, and on size 2 US needles. You may also like Lorna's Laces Solemate Yarn, which is another similar yarn: machine wash, fingering (27-32 sts/4 in), and on size 2 US needles.
What about yarn that have the same look and feel? Find more yarn that is ethically sourced, a smooth / uniform texture, and a low (drapey) twist.
Hopefully our suggested project ideas for Artyarns Cashmere Sock Yarn can help you come up with your next exciting new project idea!