Halsens ribkant strikkes til sidst ud fra opsamlede m og lægges dobbelt

A size S sweater has a bust circumference of 123 cm [48½ inches] which in the given example would give you 35 cm [13¾ inches] of positive ease

Zippers in a variety of colors can be found here

Adding new skein of yarn:

Knapper af galalit Ø28 mm - Lys - 5 stk. Upplockad ärm Halsens ribkant strikkes til sidstImitated horn buttons in galalith in packs of 5 pcs suitable for Sunday Cardigan Measurements: Diametre 28 mm height 4 mm Material: 100% galalith. Galalith is a natural and biodegradable material made from the milk protein casein. The buttons can be washed in the washing machine. Produced in the Netherlands. Galalith is a natural material which can shrink during the production of the buttons. The measurements are therefore approximate, and the buttons