Easy (to medium) skills. Knitted back and forth in garter stitch. You need yarn (Peer Gynt is DK, 8 ply, 11 wpi. You need in S: 750 grams, 1470 yards or 1350 meters, in M: 800 grams, 1568 yards or 1440 meters, in L: 900 grams, 1764 yards or 1620 meters, in XL: 950 grams, 1862 yards or 1710 meters and in XXL: 1050 grams, 2058 yards or 1890 meters. You also need yarn for the pockets: sport, 5 ply, 12 wpi. In all sizes two colors, each: 50 grams, 246 yards or 225 meters) and needles (5 mm/US 8 and 3,5 mm/US 4) and between 9 and 13 buttons. Five sizes: small, medium, large, x-large and xx-large.