I don't like to wear socks, but I am fascinated by the sock yarn colors that automatically create patterns. They're so vibrant and interesting!
Yarn skeins usually come in that size, which keeps it easy to calculate how much yarn to buy.
You can make crochet socks from the same yarn, but it might require more yards and the striped pattern will be different.
Wool is good for socks because it has a natural elasticity and can absorb a lot of moisture while staying warm. organic cotton yarn, but Superwash wool is the easiest to care for since it can be machine washed, but it should still be air dried.
If the yarn for socks does not contain wool fiber, it will probably have elastic or Lycra added for stretch.
Wool is usually blended with nylon to add durability to socks. Nylon is a synthetic fiber developed during World War II. Even if it isn't in the entire sock, it's often used as a separate thread worked in to reinforce the heels and toes.
There are new modern self-striping and self-patterning yarns designed for socks that look amazing! You must start working at the exact same point in color pattern to make an identical pair of socks. It's best to show off the colors in a plain flat stitch like the stockinette stitch.
Use a solid color yarn for cables and fancy stitches, but avoid anything too dark like black. A sock pattern with cables or ribbing will usually require more yards of yarn.
Here's a nice video on how to make sock blockers. They'll help your socks to dry in the appropriate shape and avoid wrinkles.