Gauge is 17,5sts x 25rows after blocking

CO for size 38 and worked upper back and fronts and then CO additional stitches underarm to get size 42 and followed size 42 from now on.
Joined back and fronts, 34 grams left from first skein.
Knitted up second skein; 16 ridges worked.
Now knitted the collar: Picked up 10 + 62 + 28 + 28 + 10 sts and worked decreases every RS as follows: k9, ssk, k to 2 sts to before back, worked a centered double decrease, k to 1 sts before front, worked a centered double decrease, k to 11 sts before end, k2tog, k to end. BO in row 14, used 20 grams.
Continued to work on body. Knitted up third skein; 24 ridges worked.
Used 72 grams per sleeves.
Worked 30 purl ridges on body.