The legwarmer is formed by working one cuff, then joining ends together and working around one edge to start the legwarmer body.  The second cuff is worked seperately and then joined to the bottom of the legwarmer.

This pattern fits an average women’s size calf and ankle.  To increase or decrease size, add or subract cuffs by multiples of 2 rows and add or subtract the same number of stitches from your rounds.  Or you can just use a size smaller or larger hook and yarn.