Boxy roll-neck sweater

Garment measurements:
Bust 130/138/146/154 cm (51¼”/54¼”/57½”/60½”)
Length 50/51/52/54 cm (19¾”/20”/20½”/21¼”)

Materials:
LANGYARNS MOHAIR LUXE (super kid mohair, silk)
100/125/150/175 g = 4/5/6/7 balls of light grey mélange 698.0003. ADDI knitting needles, size 3mm (US 2.5, UK 11) and 3.5mm (US 4).
1 short circular knitting needle, size 3mm (US 2.5, UK 11).