The sweater is knitted top down. Fun part first!
It contains short rows at the back for a better fit. The short rows are knitted over both sleeves and back.

Gauge
Measured after blocking, knitted in st st:
18 st x 24 rows = 10 x 10 cm

Size
XS (S, M, L, XL, XXL)

Yarn
Any Aran weight yarn (100 gr = 150 m)
300 (350, 350, 400, 400, 450) gr for MC
100 (100, 100, 150, 150, 150) gr for CC1
50 (50, 50, 100, 100, 100) gr for CC2