I've owned a Tilly T4 hat for 3 years now. It has gone from the Boundary Waters to the Dominican Republic and everywhere in between. My wife has taking somewhat of a liking to it also... she always asks if I have it packed, probably because I complain if I don't have it. Great in pouring rain or hot and humid conditions. It washes in the machine and retains its shape. Buy one you won’t be sorry.