We print on all kinds of shirts! You can learn more about fabric, weight, cut and fit by going to their product page and clicking on 'Learn More' Under our Material Info section:
That link will bring you to our handy product info-graph! You'll be able to click on each style at the top to see details. Check out the example below for Classic Tees:
You can click around on the info-graphs for different products using this process as well. Also, be sure to check out our size charts at www.teepublic.com/sizechart for more detailed measurements and visual aids.