Win a Spruce Sock Yarn Medley 0 By Kath on December 14, 2017 Miscellaneous Enter for a chance to win a 3 skeins of CashSilk Sock Yarn in Spruce. CashSilk Sock yarn is the perfect combination of 75% superwash wool, 15% cashmere, and 10% silk resulting in a soft, warm and cuddly yarn.