my old (really old) gap thermal shirts finally couldn't be repaired, couldn't find anything decent in all cotton thermal underwear at a reasonable price, originally tried They were from Walmart, despite mixed reviews on Amazon. I think the first couple I got were older products which means good quality. I washed them twice and examined them carefully, not as hard as thermal but well done, then got a few more from Walmart and they were the poorer ones I've read about, hard scratchy stuff. I'mβ¦