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You should change the language of the description of the shirt. You say that it's "Unisex Modern Fit Sizing", "slightly tapered" and "go one size larger if you're on the fence". Well, I went one size larger and can cover the fence. Suggest that you stick to "pick your size" and get rid of the confusing language.
I bought this for my husband and he loves it! It fit just right. He's about 5ft 10 and 220lb so he needed a xl. I've washed and dried twice and didn't shrink or anything. I definitely recommend buying one or a few of these shirts.