1.75-oz (50-gram) balls of Universal Pace sock yarn.  Each ball contains approximately 220 yards.  Two balls are enough to make one average size pair of socks.

 

This wonderful heathery solid sock yarn comes in a strong blend of superwash wool and nylon.  It works up into strong and lasting socks, and is ideal for colorwork patterns.

 

75% Wool, 25% Nylon.  27-32 stitches = 4 inches on U.S. size 1-3 knitting needles.