It varies considerably depending on whether I am home or abroad. A lot of my home/casual clothing is also seasonal based. For instance, I own a lot of Costco Kirkland brand items, like their Merino Wool sweaters, or their jeans, or their cotton crew socks. I also have a good number of off brand print shirts, some Dickies from my previous job, Carhartts, Danner Boots, and a Raffinati Tux my wife said I had to have.
Here in the sandbox, I have wolverine boots, Nike boots, and New Balance tennis shoes. I use underarmor shirts and boxerbriefs, and also sometimes fruit of the loom. My wife sends me a lot of inexpensive synthetic tees because they wick perspiration and breath better than cotton. I have REI cargo pants, Columbia Sportswear pants, more Costco Kirkland jeans. I also have some Columbia sportswear synthetic button up shirts, some REI synthetic button up shirts, and some Ex Officio button up shirts. I have a Columbia Sportswear ventilated boonie hat, and a few different shemaghs from Pakistan. I wear issued safety glasses (tinted) or WileyX brand tinted safety glasses. I think the socks are Hanes, but I'm not sure. It's whatever the 10 pack they sold at the PX was at the time I bought them.
My absolute best coat is a Rivers West H2H fleece ATJ parka.
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)