I found this tutorial on how to make your own undies from either a recycled t-shirt or knit fabric. I haven't tried it yet, but hopefully will give it a go in the next few weeks. Here's a pic:
How cute. You know I need that and to make my own " bladder pads" yucky, but it would save on money. The pants look comfortable. I wondered what you where making the title you had. these are cute. hugs sheila