The invention is a wear indicator for a footwear outsole. The wear indicator
includes a plurality of strata that each have different properties, such as color.
As portions of an individual stratum are worn away, corresponding portions of an
underlying stratum are revealed. The underlying strata may be worn away in a similar
manner to reveal further strata, thereby providing a wearer with the ability to
determine the amount of wear that has occurred in an outsole.
