Adding Knee Patches to pants is a great way to extend the life of pants. The patches don’t have to be just functional, you can make them super creative.
tutorial: grown up knee patches - Megan Nielsen Patterns Blog
Character Shop : Page 20 : Target
Awesome Knee Patch Tutorial — Willow and Stitch
DIY Knee Patches
20+ DIY Creative and Fun Knee Patches on Pants - Page 3 of 4 - Cool Creativities
20+ DIY Creative and Fun Knee Patches on Pants - Page 4 of 4
Fun Patches for Boys Pants - A Little Tipsy
Creative and Fun Ways to Patch Kids Pants - Laughing Lizards
How To: Add Knee Patches to Jeans