With 3.75mm needles tubular cast on 145 st
https://youtu.be/YjzAY6YlvNw

Change to 4.0mm work first two cast on set-up rows

Knit the last st together with the first st. (144 st)

Knit 9 rows 1x1 ribbing.

Decrease by k7, k2tog, k7, ssk 8 times 128 st left
Knit until body measures 28 cm
Put 6 stitches from each side of body on stitch holder so you now have 58 stitches for front and 58 stitches for back

Sleeve x 2
Tubular Cast On 37st with 3.5mm needle
Change to 4mm needle
K the frst 2 set up rounds
Knit last st with first st of next round (36st)
k1 p1 rib for 9 rounds
Decrease 6 sts evenly (k4, ssk)x 6 (30st)
Change to 4.5 needles
K1, pm, k29, pm
K1, mm, KRL, knit to marker, KLL, mm (32 st)

https://nimble-needles.com/stitches/the-knit-right-loop-i...

https://nimble-needles.com/stitches/how-to-knit-the-kll-i...

Increase 2st the same way every 8th round 4 times (40 st)
Continue knitting until sleeve measures 28 cm
Put 6 stitches from the under arm on stitch holder so you now have 40 stitches for each sleeve

You now have 40+58+40+58 stitches (196 st) that you will put on your circular needle. Knit 1 round joining the sleeves to the body with a k2tog at each join (192st)

Begin knitting the chart.

All decreases are SSK.

After knitting chart you will have 80 st on the needle.
Add a few short rows to give shape for the back and shoulders using short rows with no holes youtube inst.
https://youtu.be/SCgycxLce94

Collar:

With 4mm needle knit 3 rows 1x1 ribbing

With 3.75mm needle knit 3 rows 1x1 ribbing

tublular bind off
https://www.google.ca/search?q=tubular+bind+off&ie=UT...

Graft under arm stitches with kitchener stitch https://nimble-needles.com/stitches/how-to-do-the-kitchen...