A leather backpack of miner whose work at the gold mine.
ASPD +5%.
Every 2 refine levels, ASPD +1%.
Refine Level +9: ATK +20.

[iRO Description]
A leather backpack used by the miners of some gold mine.
Class: Garment
Defense: 16
Required Level: 100
Required Jobs: Mechanic
Aspd + 5%
Additional Aspd + 1% per 2 upgrade levels of the item.
If upgrade level is +9 or higher,
Atk + 20
Set Bonus
Mine Worker's Backpack
Mine Worker's Pickaxe
Mine Worker's Vest
Atk + 5%
Aspd + 10%
Increases critical damage on targets by 10%.

More Information on Combo:

• Mine Worker Vest, Mine Worker Backpack & Mine Worker Pickaxe[2]