The stocking hat is crocheted with worsted weight yarn using sc, dc and some post stitches to form the ribbing. Using an H hook, it fits adult heads app. 49-53 cm (19-21") around, and measures 74 cm (29")from the base to the tip of the hat (excluding pompom). Instructions for the pompom are also included. BASIC SKILLS NECESSARY Sc, Dc, post stitches SIZING / FINISHED MEASUREMENTS fits head circumference 19-21"