As Knitty’s technical editor for socks, I get to talk to a lot of knitters and designers about sock patterns. The number one question I hear from designers and knitters is how to size socks. When sizing socks, foot circumference is the key measurement. For the vast majority of sock designs, the length of the foot is controlled simply by working fewer or more rounds in that section- totally independent of the number of stitches you cast on. The challenge is that information about foot circumference is very hard to find. When sizing shoes, foot length is the primary measurement; and so all of the information out ...