Originally Posted By: Herman30
I have good experience with Propper boonie made of 65% polyester/ 35% cotton ripstop fabric. Propper call that fabric Battle Rip. Shields my neck and ears from sun and amazingly good in holding the rain away. I think it is beacause the cotton threads in
the fabric swell when wet and therefore makes the fabric almost waterproof.

Ditto Boonie hats. I have one from 20 years ago still going strong. You can usually find them in solid colors like OD or khaki/tan, not just camo patterns.