Cozy jumper is worked from the bottom up. First, the body is worked in the round. Then, the back and front pieces are worked separately in back-and-forth rows. Next, the shoulder seams are grafted, followed by the neckband. The sleeves are worked in the round, from the bottom up. Graft them to the jumper

The jumper is oversized, fitting allowance +20 cm (7.8 in).

Sizes: 1 year / 2 years / 4 years / 6 years / 8 years / 10 years.

Yarn: Naco Denim (200 m/100 g 218 yds/3.5 oz; cotton/acrylic).
Possible substitutions: Katia consept cotton-merino, Drops air, Infinity air, Drops Nepal, BBB Zarra, YarnArt Creative, Lana Gatto Silk Mohair (225 m/25 g (246 yds/0.8 oz)) in 3 strands.

Totals used: cotton 200 (250) 300 (350) 400 (500) g (7 (8.8) 10.5 (12.3) 14.1 (17.6) oz).
Drops air 150 (200) 200 (250) 250 (300) g (5.2 (7) 7 (8.8) 8.8 (10.5) oz).

Needles: circular needles 3 mm (US2.5) and 4 mm (US6) with cable length 40 cm (16 in); circular needles 5 mm (US8) with cable length 40 cm (16 in) and 60 cm (24 in); double pointed needles 3 mm (US2.5), 4 mm (US6) and 5 (US8) mm.

Notions: 3.5 mm (US4) crochet hook, markers, scissors, tapestry needle, contrasting color waste yarn.

Gauge: make a gauge swatch and count your stitches after washing and blocking. It might be necessary to change needle size to achieve a matching gauge. If you knit tighter (have more stitches), use thicker needles, if you knit more loosely (have fewer stitches), use thinner
needles.
The main pattern is half fisherman’s rib. Approx. 16 sts and 38 rows = 10 x 10 cm (4 in) on 5 mm (US8) needles (after washing and blocking).