This is easy to knit. The hat is knitted in the round, the scarf is knitted back and forth. You need yarn (Sandnes Kashmir Alpakka, Aran, 10 ply, 8 wpi. 650 grams, 476 meters or 518 yards), circular needles (5,5 mm/US 9) and the needle you prefer to knit back and forth. One size.