Trust the P&ID T-Shirt, Chemical Engineer Process Diagram Tee, Funny Piping and Instrumentation Gift
Size guide
This blank is a youth or women's cut, so its sizes differ from the unisex chart. Check the brand's own size chart, or email us before ordering.
Unisex tee measurements in inches, taken with the shirt laid flat.
| Size | Chest width (in) | Body length (in) |
|---|---|---|
| S | 18-19 | 28 |
| M | 20-21 | 29 |
| L | 22-23 | 30 |
| XL | 24-25 | 31 |
| 2XL | 26-27 | 32 |
| 3XL | 28-29 | 33 |
Fit varies a little by brand and style. Compare with a shirt you own and like.
Don't trust your gut. Trust the P&ID. For chemical and process engineers: a real-looking piping and instrumentation diagram with proper ISA instrument bubbles that takes CAFFEINE and DEADLINES, pumps them through a pressure exchanger into an overthinking column, and eventually yields RESULTS, with REVISIONS recycled from Rev. A to Rev. F and an OI-105 overthinking indicator that is pegged.
What you get
- Front: Left-chest red instrument bubble "OI 105" on a signal line, "Trust the P&ID · Piping & Instrumentation"
- Back: "TRUST THE P&ID ( Piping & Instrumentation Diagram )" over the diagram: tank T-101 Caffeine, drum D-102 Deadlines, pump P-101, control valve FV-103, exchanger E-101 Pressure, column C-101 Overthinking, outputs Ideas (Few) and Results (Eventually), recycle Revisions, plus a drawing title block (Checked: Nobody)
- Printed with premium DTF transfers and heat-pressed by hand in Charleston, SC
Choose your shirt
- Comfort Colors 1717: heavyweight 6.1 oz garment-dyed cotton, relaxed fit (S–3XL)
- Bella+Canvas 3001: lightweight 4.2 oz Airlume cotton, softer retail fit (S–3XL)
Colors may vary slightly by screen.
Care
Wash inside out in cold water, tumble dry low or hang dry, don't iron the print.
Production & disclosure
Designed by Elevated Designs LLC using digital design tools, with AI assistance. Printed and pressed to order in Charleston, SC.
Over-Engineered Co. · engineers of every discipline — designed by Elevated Designs and printed to order in Charleston, SC.
Shipping and returns
Every piece is printed to order in Charleston, SC. Orders ship within 5–7 business days, then transit time depends on the method chosen at checkout; you'll get tracking by email. We ship within the United States only. If your order arrives damaged, misprinted or isn't what you ordered, email us within 14 days of delivery and we'll reprint it or refund you.