For this pattern you will need to know how to crochet and knit .

Sleeve and back is crochet and then you knit the border.

Pattern is written for small /Medium but it can easily be changed to medium / large or large / XL etc. by adding an extra pattern rep for sleeves per size and add length. Then pick up the stitches around the body so it will lay flat and continue with same increases during the rib work. You may need to knit a longer rib for Large to XL