I've got a pair of old backpacks that I love, but the belts are atrocious and need extra padding. Since I can't find a replacement at REI or any sporting goods stores, I plan to just make padding sleeves to put over the old belts. What I have done is used old 1/4" blue sleeping pads and wrapped the old belts and duct taped them to attach the padding. It works, and it's ugly, so I want to cover the belts with a liner. Will ripstop nylon work well for this? I think it's the material to use, but someone on another thread mentioned polyester taffeta as being stronger for hammocks so it made me think twice. Thoughts?