Whether you’re toughening up toes and heels or repairing well-worn spots, Regia 2-ply Reinforcing Thread makes sure you’ll be wearing your socks for years to come. Hold this lace-weight yarn together with your chosen sock yarn when knitting the heel and toe to add strength in those hard-wearing areas. And if disaster strikes, use it to darn holes and snags. A blend of 75% virgin wool and 25% polyamide, this yarn won’t felt and it holds its shape well. You can even use it to add embellishments or for sewing on buttons!