# Men's shirt sizes XL vs 1X?

**URL:** <https://boards.straightdope.com/t/mens-shirt-sizes-xl-vs-1x/733108>\
**Category:** In My Humble Opinion\
**Created:** [October 1, 2015, 4:13am UTC](https://boards.straightdope.com/t/mens-shirt-sizes-xl-vs-1x/733108 "2015-10-01T04:13:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![astro](https://avatars.discourse-cdn.com/v4/letter/a/9dc877/32.png) [@astro](https://boards.straightdope.com/u/astro)\
**Post date:** [October 1, 2015, 4:13am UTC](https://boards.straightdope.com/t/mens-shirt-sizes-xl-vs-1x/733108/1 "2015-10-01T04:13:42Z")

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Looking at some [Columbia shirts online](http://www.amazon.com/gp/product/B00L3IEPAE?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00)and they list XL, 1X and XXL. Most men’s shirt and jacket sizing I’ve seen jumps from XL to XXL. What exactly is “1X” just a size between XL and XXL or is it actually XL ?

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**Author:** ![Roderick\_Femm](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/roderick_femm/32/14875_2.png) [@Roderick\_Femm](https://boards.straightdope.com/u/Roderick_Femm)\
**Post date:** [October 1, 2015, 4:37am UTC](https://boards.straightdope.com/t/mens-shirt-sizes-xl-vs-1x/733108/2 "2015-10-01T04:37:04Z")

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In the shirt you linked to, there is X-Large Tall and 1X (and then 2X and 2X Tall) but there is no plain XL. 1X is the same as other places’ XL, I don’t know why they make it different for the Tall one vs the regular one. But given the rest of their sizes (2X, 3X etc) 1X makes sense.

I looked at some other shirts, which used XL and XXL instead of 1X and 2X. Maybe it depends on the brand. Nope, I checked several other shirts with the same brand, and this is the only one I could find that used this sizing nomenclature. Just weird, I guess.