Definition: Part of the upper, the lining of a shoe is the inside material that touches the sides of the foot, the top of the foot, and/or the back of the heel. Linings can be made of a variety of materials.
The main purpose of a lining is to cover the inside seams of a shoe, but linings made of special materials also tout comfort features such as additional padding, or the ability to pull moisture away from the foot.
The main purpose of a lining is to cover the inside seams of a shoe, but linings made of special materials also tout comfort features such as additional padding, or the ability to pull moisture away from the foot.

