# material_classes

> Kinbarrow modding reference — content tree `45d0fe274f851548`.

The 5 legal ids a field referencing `material_classes` may use, enumerated
from the content tree the game boots with. The validator accepts exactly these.

| Id | Name |
| --- | --- |
| `cloth` | Cloth |
| `leather` | Leather |
| `metal` | Metal |
| `stone` | Stone |
| `wood` | Wood |