Regia Darning/Reinforcement Thread is a 2-ply thread designed to strengthen areas of socks that experience the most wear. Hold it together with your sock yarn while knitting or crocheting heels, toes, or any other high-stress sections of your project.
Fiber Content: 75% New Wool and 25% polyamide.
Yardage: Approximately 45 yards of yarn in each 5 gram spool.
Care: Machine washable.

