Sizing Conversion
US
XSmall - 6XLarge
Ring Spun Styles Tultex XS-3X
https://www.nyfifth.com/category/specs/TSS/tultex-mens-fine-jersey-tee_A5-1429-0202.jpg
Tye Dye Styles Gildan/ Reg Tees Sizes 4X-5X
https://www.gildan.com/pages/size-chart
All styles 6X Port and Company
https://www.apparelnbags.com/port-company/size-chart.html