5. You will have tons left over from the smallest size. so make a pair and give away a second pair!
YO: yarn over
K2tog: knit next two stitches together
Next row, Yo, knit to the next yo, knit the 2 YOs and the next stitch together, turn
Next row: YO, purl to next yo, purl the 2 YOs and the next stitch together, turn
repeat the last two rows until all the stitches are worked.
Return to knitting in the round. Knit one row and bind off.
Weave in ends.