A size M sweater has a bust circumference of 114 cm [45 inches] which in the given example would give you 22 cm [8¾ inches] of positive ease

Elastic Thread In Folded Neck Edge:

where back and fronts are joined again for the body

while the rest of the suit is worked in stockinette stitch

Hazel Neck Korean A size M sweater hasThe Hazel Neck is worked from the top down. First the back is worked, then the shoulders and then the front. At the end, stitches are picked up around the neckline opening for the turtleneck collar. The collar is folded double and knitted together on the wrong side. Begin by knitting a swatch to find out which needle size will give you the correct gauge. Wash and block the swatch before measuring gauge. If you choose to knit the Hazel Neck in a