Comfortable Insoles

Comfortable Insoles are a leatherworking product placed in boots to increase comfort to your feet.

Source
This item is crafted by Leatherworkers with a skill of 300.

The components are :
 * 2 Knothide Leather

The pattern is sold in limited quantity by Haferet in Exodar and Zaralda in Silvermoon City.

When used a 30 minute buff is placed on your shoes. It is purely decorative, despite many rumors.