Barmah HatsCanvas Drover Hat 1057BE / 1057KH / 1057BR / 1057BL - Beige - Large

Can i get this hat intentionally wet to cool down (i.e. is it waterproof)?

Is there a wire in the brim of the canvas drover

Are the mesh sides made of plastic?

I want a hat for very hot humid weather, This compared with suede or kangaroo cooler. also what is weight of this Hat?