Men's 3 Pack Waffle Knit Thermal Loungewear Set

I bought the this 3 pack in XL for a friend. He put on the first thermal and it was too small - definitely not an XL fit. A week later, he tried the second thermal (that was in packaging without the cardboard like the other two) and that fit perfectly. Third week, he tried the third thermal.and that was too small like the first. I asked him to look at the tags of all three and we found out that he only received two Ben Ben thermals (which were the ones that fit too small for being XL) and one cheaper version Hejeme thermal (not a Ben Ben as it was supposed to be). The cheaper Hejeme thermal was actually the one that fit as an XL - but I did not order a Hejeme but a 3 pack of Ben Ben thermals. The Ben Ben XL size is actually a size large - they run small. I don't blame Nordstrom for selling a product that is off in sizing, but I do blame Nordstrom for sending me the third thermal in the pack that was not even a Ben Ben (even though that fit truer to size then the Ben Ben.