A cardigan in size S has a bust circumference of 115 cm [45¼ inches] which in the given example would give you 25 cm [9¾ inches] of positive ease

Suggested needles: Circular needles: 3 mm [US2½] /40

Bust circumference: 110 (115) 120 (124) 128 (134) 138 (144) 154 (160) cm [43¾ (45¾) 47¼ (48¾) 50½ (52¾) 54¼ (56¾) 60¾ (63) inches]

and Eva Cardigan Junior

Hannah Sweater O-neck LANGUAGE:Français A cardigan in size SThe Hannah Sweater O neck is worked from the top down. First, the back yoke is worked back and forth on the needle with increases. The shoulders and then the front yoke is worked from stitches that are picked up and knitted along the back yoke. The sleeves are worked from stitches that are picked up and knitted along the armhole openings. At the end, stitches are picked up and knitted along the neck opening, and a double rib edge is worked. Knit a