– 2 balls of variegated wool in 8 or 10ply
– 4 needles 4.5mm or 5.00 mm
– 1 crochet 4.5mm or 5.00 mm
I knit those hats with “Peru” (from Sirdar) for the purple one, and “Mochi +” (from Crystal Palace) for the multicolour one. You can also chose to make it plain color, or to use contrasting colors at each round.