[ chainmail leggings can be crafted with the following recipes

Player Recipe
Primary skill used: fabrication(7)
Required skills: N/A
Time to complete: 40 minutes
Tools required:
> 1 tool with hammering quality of 3
> 1 tool with anvil quality of 3
> pliers OR multi-tool
> pair of bolt cutters OR integrated toolset
> cordless drill (40 charges)
Components required:
> 4x chainmail sheet
> 100x chain link
> 1x wire
> 6x rag
Byproducts:
(none)
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This recipe can be found in the following books when fabrication is at least the required level:
Studies in Historic Armorsmithing (level 6)
DIY Compendium (level 6)
The Streetfighter's Sidekick (level 6)