I'm new to the MYOG world, and used this WPB fabric on my first major project - a lightweight rain jacket for my wife. I liked it so much I was halfway thru making her jacket when I ordered additional material to make two more for me and my son! It's incredibly strong - even after removing a few "missed stitches" and having a lot of needle holes I still couldn't tear it. This material is extremely lightweight, quiet and packs down small. The edges do curl a lot as you cut shapes, but I found a few paper clips around the edge help weigh it down enough to make it workable, and even work well for holding two pieces together for sewing. I used Seam-Grip to seal the seams and it seems to work well bonding to the inner side of the fabric and making the jacket truly waterproof. One thing I learned is you definitely need to remove the 'tack' of the Seam Grip with talcum powder after it cures. Even once the seams were cured several days if the inside of the fabric barely touched a seam the Seam Grip held it like glue and trying to unstick it was a mess. A light dusting of talc clears that issue up. But that's more of a Seam Grip review...
My wife says her jacket has kept her dry in the rain, so check one for performance so far. Overall this has been a great product and RBTR gets the orders out fast!
I received my ripstop material very quickly and with lots of updates on the status of the order and shipping. The product exceeded my expectations and was an exact color match for what i needed.
I can't say enough how awesome it is that RBTR provides a fabric like this. It is difficult to get your hands on high quality WPB fabrics as a MYOGer. I suppose because manufacturers don't want their highly marketed fabrics falling into the hands of MYOGers, I could only find discontinued fabrics elsewhere. So, RBTR goes and makes there own! Nice. And it's even lighter!
The fabric is a little difficult to work with as the edges curl up once you unfold everything.
Will post more once I get a field test with it, and once more after long-term use.