Received a Black Heather shirt to wear in a warehouse that has no air conditioning so it had to be cool. After washing the shirt, I wore it to work and noticed a strange sulfur smell emanating from the fabric. My other shirts don't, so I know it wasn't me or something I ate. I have the same shirt in light blue and it has no odor issues. It fits as expected. I'm between L and XL (6ft, 200lbs) but I chose XL for a relaxed fit. The fabric does keep you cool to a degree, but it's actually not that breathable. The fabric is not breathable, so you don't get enough air on your skin. I generally give unscented shirt colors a 4. These are pretty good shirts for the money, good for warm weather but not extreme heat.
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