freesewing/markdown/org/docs/patterns/bob/options/neckratio/uk.md

---
title: Neck ratio
---

Controls the size of the neck opening relative to the bib size. The bib size is determined by [head size](/docs/patterns/bob/options/headsize), this option controls how much to reduce the head size by to determine the circumference and width of the neck opening.

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- Increase the percentage to widen the neck opening.
- Decrease the percentage to constrict the neck opening.

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## Effect of this option on the pattern

![This image shows the effect of this option by superimposing several variants that have a different value for this option](bob_neckratio_sample.svg "Effect of this option on the pattern")