Warm Winter-sweater

We´ve got several requests about making more patterns for boys. This sweater was made for Nils, but it turned out way too big, and suited Mia instead. It´s really a unisex sweater, so this should suit everyone;) This projects is really quick and pretty easy too.
Size
3-4 (5-6) 7-8 (9-10) 11-12 y
5-6 for free below. The rest can be bought here.

Yarn
Cashwool irregular
250 (300) 350 (450) 500 g
You can also use Abuelita Thick and Thin

Needles
DP and circular needles 10 1/2 and 11 US

Gauge
11 s = 4”

Width
13 (13.7) 15 (16.1) 17”

The body
Cast on 76 stitches on US needles 10 1/2.
Place marker (PM) at the beginning of the round and after 38 stitches to mark the sides.
Knit a rib in the round, K1, P1 for about 1.6”.
Switch to US needles 11 and knit in stockinette until the piece is 11”.
Cast off 4 stitches in each side, 2 on each side of the PM =  68 stitches.
Put the work aside.

Sleeves
Cast on 20 sticthes on US needles 10 1/2.
Knit a rib in the round, K1, P1 for about 1.6”.
Switch to US needles 11 and knit stockinette.
Increase 1 stitch on each side of the two stitches that marks the beginning and end of the round.
Continue increasing like this every 1.4”  7 times in total = 34 stitches.
Cast off the 4 stitches right under the arm when the sleeve is 11.8” = 30 stitches.
Knit another sleeve.

Raglan decrease
Put the sleeves on to the same needles as the body. Place markers (PM) in all the transitions between the sleeves and the body = 4 PM.
You´ll now have 128 stitches.
Knit in the round and decrease on every second round like this:
*Knit until you are 3 stitches away from the PM, K2tog, K2, SSK*.
Repeat from * to * throughout the round.
Decrease like this 3 times in total.

Put the stitches for the front piece on a spare set of needles. Do not include the stitches at the beginning and the end of the front piece, but knit these with the rest of the body piece.
The front piece should have 26 stitches, the body piece should have 78 stitches.

Knit the body piece back and forth in stockinette from here on.
Cast on 2 extra stitches for front bands at the beginning and the end. ALWAYS knit these (don´t purl them on the wrong side).

Continue to decrease on every second row (it´s best to do it from the right side). Knit like this:
Knit until you are 1 stitch past the first PM, SSK.
*Knit until you are 3 stitches away from the PM, K2tog, K2, SSK*.
Repeat from * to * until you are 3 stitches away from the last PM. K2tog.

Repeat this decrease 10 times in total.
Switch to US needles 10 1/2 and knit 3 rows in stockinette. Cast off.

Start kntting the front piece in stockinette.
Cast on 4 extra stitches at the beginning and the end of the row for front bands. (Always knit these) Decrease 13 times in total by knitting like this from the right side:
Slip1 K3, SSK, K until 6 stitches remain, K2tog, K4.

AT THE SAME TIME you´ll make 3 button holes on each side.
Make the first one after 0.8 ”, and then every 2" on a row from the right side.
When you´ve made all your decreases, cast off.