Free: Contests & Raffles.
I have the sitka gore tex rain gear as well as a few buddies and none of us have had good luck, we even called a rep and he said buy the even more expensive stuff it has better features....... Pretty disapointing for what you pay....
Sorry, but IMHO...for truly waterproof hunting gear, you need to get heavy rubber raingear, think commercial fisherman/crabbers gear. It is a trade off as you know, shed rain effectively with truly waterproof material, and live with the bulky noisy nature of the material. Or, wear lightweight and quiet proprietary fabrics that are ineffective during heavy downpours.