This sweater is worked top-down: You start by ribbing in MC only. Next come some increases for larger sizes and then the CC is added in a corrugated rib. Ribbing is finished using short-rows for neck shaping. The yoke is worked entirely in stockinette in a two-color labyrinth pattern. After the labyrinth chart some MC rounds are added before sleeve separation. Remaining body is worked to the length you desire in MC.
Sleeves can either be left short and just finished off in MC or CC, as you wish. Or, if you prefer longer sleeves, there is a sleeve labyrinth chart that can be repeated to accommodate your desired sleeve length. Sleeves are finished using CC ribbing.

You will need:
4mm/US6, circular needles 40cm/16’’, 60cm/24’’ and 80 cm/32’’ for a comfortable body increase.
3.5mm/US4, 80 cm/32’’ circular needle for body finish.
3.0mm/US2½, 40cm/16’’ circular needle for sleeve finish.
Scrap yarn for holding sleeves. Markers.

Yardage is 65% Main Color (blue in my sample) and 35% Contrast Color (orange in my sample).