Knitted tightly with bulky yarn for longer wear, I have heard that these are addictive! Most knitters make multiple pair.
Great for gifts, or knit some to keep for guests in the winter.

Sizes-
small - foot length 9 inches, fits women’s shoe sizes 6 through 8, men’s shoe sizes 5 through 7.
medium - foot length 10 inches, fits women’s shoe sizes 8½ through 10, men’s shoe sizes 7½ through 9.
large - foot length 11 inches, fits women’s shoe sizes 11 through 13, men’s shoe sizes 10 through 12.
x-large - foot length 12 inches, men’s shoe sizes 13 to 14.

Materials- bulky weight yarn:
Lo top- approx. 140 (155, 200, 225)yds.
Hi top- approx. 325 (350, 395, 425)yds.
Double point needles size 7, single
point or 24 inch circular needles size 7.

Gauge- in garter stitch, 16 sts equal 4 inches.