Medium skills. Knitted back and forth. You need yarn (Kampes 2-trådigt ullgarn is Sport, 5 ply, 12 wpi. You need 450 grams, 1350 meters or 1476 yards for small and medium, 500 grams, 1500 meters or 1640 yards for large, 550 grams, 1650 meters or 1804 yards for X-large and 600 grams, 1800 meters or 1968 yards for XX-large. If you want to knit the scarf you need 100 grams, 300 meters or 328 yards for that as well) and needles (3,55 mm/US 4). Five sizes: small, medium, large, X-large and XX-large.