Probably the only sure way is how long it will last. I started buying polos because they seemed to last forever. However, in recent years, no matter where I buy them, too many washes have punctured them, and some don't even last a few months before wearing out. Those with the polo logo on the chest will start to separate from the rest of the shirt after sufficient washing/drying. These seem fine but I'll have to see how long they last and of course you can until then. not return. In some cases, the seller no longer exists and has likely started selling under a new name.
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