Originally Posted by carpetmojo
Or buy a very big hat - a sombrero, that'd do the trick......
Please don't laugh... I really tried that
No sombrero but a felt-hat made in scandinavia (black). Over 20 years ago I used it for trecking tours (though that time the terms "trecking" and "nordic walking" have been unknown).
Only usable in dense woods and uninhabited areas
Besides: those times I wished something like an ereader. Carrying books over hundreds of miles/kilometres per feet is hard work. My solution at that time was to burn every day the pages of the books I did't use any more in the campfire to save weight...