This is called the Paradox Base Layer:
Image via ebay.com
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Product Notes
I got this as a gift for Christmas and am really liking it for squash. It’s a little difficult to find this exact item, but thought I would let everyone know about this brand at least (the brand is called Paradox, and this is their “base layer” product).
Reviews
Here’s a quick video review:
Rod Foster says
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i use paradox for base layers when i go hunting or skiing or even winter or fall camping/back packing
i love it.
the Costco in town had them and i ended up buying my wife and two girls a set as well.