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onenerdykidTech Wash is awesome, but I wouldn't use the TX-Direct Wash In (despite how super dumb easy it is to use).
Think about it- you want to have a waterproofing agent (DWR/durable water repellent) on the outside of your jacket, not the inside. This stuff does not magically know what part of the jacket to cling to, so you naturally end up waterproofing the inside of your jacket too. This does not promote a high level of breathability.
Use Tech Wash to clean, and the TX-Spray On for the DWR. It's a bit more effort, but it will work better.