For a cut I got in my jacket, I went to REI and found this:
Yes it's about a gajillion times more expensive by length than duct tape, but it looked cool, I only needed a little of it, and I was drawn in by the marketing that says it's better. It comes in lots of colors including clear.
One tip they did say for this was to round off the edges of your patch so it will not detach as easily. Basically make your patches resemble a bandaid. You can use this tip for duct tap too.