Process Capability Ratio (Cp) and Index (Cpk)

Keen Barbados, after 5 years.

This is the great Keen slipper that accompany me for the last t years, still love the comfort and protection it provides. Old but still serving well, needs to patch up every once a while.
However, the new version, Keen Waimea not as comfort as I had expected.

This is today

This is 5 years ago.

And this is Waimea

Re: Regular Oil vs Synthetic Oil -EricTheCarGuy