MilitarySunHelmets.com presents a very special article by author Nick Komiya on the development and evolution of the Japanese sun helmet.  We thank Nick for allowing us to republish this detailed study on the Japanese tropical helmets. This was originally published on the War Relics Forum.

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In my past research on helmet covers, I came across quite a few documents discussing sun helmets, as they were often tested together in the same tropical test sessions in Taiwan. So when a recent question popped up about an early model sun helmet, I had a chance to review my files and thought I could have the whole picture of sun helmet development with only a little more digging for missing links. I was actually finishing a new complete history of the IJA’s pay book, but due to the lack of one early sample to study and confirm a couple of details, I had to shelve the project for later completion and was in search of a handy project instead. Continue reading →