This is a Salomon advanced skin active dry t-shirt in a size XL, this has been worn and shows some signs of wear but is overall in good worn condition which I have tried to picture as accurately as I can. 

Approximate measurements:

Pit to pit: 21.5 inches 

Back neck to hem: 29 inches 

Any questions you have please do ask!

Thanks for looking and check out my other items :)