You will need:
400 g Merino Cotton blue yarn (52% wool, 48% cotton, 120 m/50 g);
Circular knitting needles no. 3.5 and no. 4,5 - length 80 cm
Helpful kniting needles
Knitwear density: 16 stitches x 24 rows = 10 x 10 cm.
The jacket will be knit as a single detail, which will take the form of a rectangle. The corners of the rectangle will bend inwards (see pattern).
Cast on circular knitting needles no. 4,5-182 stitches and knit with jersey point. After 64 cm knitted from the first row, all stitches will close.
The Collar: On the knitting needles no. 4,5 cast on 33 stitches and knit 90 cm = 216 rows the model presented in diagram no. 1. In the scheme are presented front rows. In the back rows, the stitches are knitted as presented, yarn overs as purl stitches. Rows 1-24 it's repeating on height by 9 times. The stitches are let on a helpful knitting needle. Knitting detail will present the first half of collar.
The second half of the collar will knit similarly. The two halves will sew on middle, by applying seam 'stitch in the stitch'.
Finishing: Jacket corners are bend toward the center (see arrows in the pattern). It will sew the edges of the corners, leaving free 10 cm outwards, for the sleeve.
From the sleeve edge, cast on knitting needles no. 3.5 = 44 stitches. Stitches are closed in circle and is knit 5,5 cm = 16 rows circular elastic 1 x 1 (1 knit stitch, 1 purl stitch), after that the stitches are closed.
The collar will sew on the edges of the front parts of the jacket. The seam from the middle collar must coincide with the middle of the rear part (marked with an X in print).