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How Stuff Works Long Sleeve T-Shirts

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Princely Sum Long Sleeve T-Shirt

by techstuff
$24 $15

I Heart Tech Long Sleeve T-Shirt

by techstuff
$24 $15

Ducking Long Sleeve T-Shirt

by symihc
$24 $15

Team Jeri Long Sleeve T-Shirt

by SYSKArmy
$24 $15

Long Sleeve T-Shirt FAQ

Where can I find other stuff you should know designs? Expand or collapse section.
In addition to stuff you should know designs, you can explore the marketplace for podcast, howstuffworks, and history designs sold by independent artists.
What material is this item made of? Expand or collapse section.

100% cotton (Heather is a Cotton/ Poly blend). Pre-shrunk. Slightly heavier than our t-shirts but ideal for a long sleeve tee. Sized for men but can look great on women!

What USA ship methods are available? Expand or collapse section.

Standard (6-8 Business Days)

FedEx Air (4-6 Business Days)

Estimates include printing and processing time. More Shipping Info »

What is the Return/Exchange policy? Expand or collapse section.

We want you to love your order! If for any reason you don't, let us know and we’ll make things right. Learn More »