Backpack Patches for Travelers and Hikers
https://storage.googleapis.com/sewwhat-custom-patches-gcs-2611/custom-patch-guides/uncategorized/how-to-read-a-patch-price-grid.html
Walk through any hostel common room or trailhead parking lot and you will see them: flags from countries visited, national park emblems, trail club logos and funny slogans stitched onto packs that have clearly seen some miles