These socks are knit from the top down and include some lace and cabling. Three sizes are available - Small (7-8 inches/19-20.5 cm), Medium (8-9 inches/20.5-23 cm), and Large (9-10 inches/23-25.5 cm). The lace provides some stretchiness to the fabric. Pattern has some limited written directions (set-up) with charts.