The Rosemary hat is worked flat with straight needles and sewn in the end. Size: To fit head circumference 55-57 cm [21-22″] Materials and tools: Yarn: Drops LIMA 50 g | 1.8 oz = 100 m |109 yds. Colour Ice blue (8112). 2 skeins. Straight knitting needles 5 mm | US 8. Sewing tapestry needle.