Vintage T-Shirt Forum & Community Authentication Appraisals

I found this shirt today at my moms house in a bag of rags. It looks to be rarely worn and in excellent condition. And never used as a rag.

Looking on ebay, I rarely see shirts with this tag line: "The tape that delivers higher performance ". This might be key.

There was a large version of this shirt, same tag, what sold a month ago for $150. Given the M size, probably puts it in the $50-100 range.