Choose sock yarn and a crochet hook size recommended for the yarn
Measure foot circumference, ankle circumference, and foot length
Make a gauge swatch and adjust hook size if needed
Crochet a ribbed cuff to fit the ankle
Join the cuff into a tube
Work the leg section to the desired height
Shape the heel using short rows, a heel flap, or a heel turn method
Turn the heel and begin the foot section
Crochet the foot tube to the length of the foot
Shape the toe with decreases
Close the toe opening with a seam or gather tightly
Weave in all ends
Make the second sock to match the first
Try on and adjust fit as needed