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Semaphore T-Shirt - Funny Developer Humor Tee - Computer Science Gift for Programmers
Acquire the lock. Release with confidence. The Semaphore T-Shirt is the subtle, brilliantly nerdy tee for developers, computer science students, and OS enthusiasts who appreciate concurrency primitives as much as they appreciate a clean wardrobe. A perfect funny programmer shirt for anyone who's ever had to explain what a semaphore is at a party (you're welcome).
Soft unisex tee, bold print, instant recognition among the initiated. Blank stares from everyone else — which is half the fun.
- Funny CS developer graphic tee — niche, clever, conversation-worthy
- Great gift for computer science students, OS devs, and backend engineers
- Soft, comfortable unisex fit — great for lectures, meetups, or couch debugging
- Printed on demand by Geekpsters, ships worldwide
Makes a perfect computer science gift, programmer birthday present, or graduation shirt for anyone who's survived a distributed systems course. Pairs with the Semaphore Hat for full synchronization.
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100% NO-RISK MONEY-BACK GUARANTEE
We think you'll adore your products! If you are not completely satisfied with your purchase, you can return or exchange it within 60 days.
You can find all of the information about our return policy here. Any more questions? Just contact us—our customer service team is happy to assist!
- Solid colors are 100% cotton
- Heather colors are 35% ring-spun cotton, 65% polyester;
- Sport Grey is 90% cotton, 10% polyester.
- Tubular body, modern classic fit
- Touchably soft
- Sleeves and bottom hem are double-needled stitched
- There are no side seams
- Neck and shoulders taped
- Made from specially spun fibers that make very durable and smooth fabric
- Do not bleach
- Tumble dry: low heat
- Iron, steam or dry low heat
- Do not dryclean
- Machine wash: warm (max 40C or 105F).
We owe it to you to ensure that you are satisfied with your order.
If your order is incorrect, you are unhappy with the prints, or it is not what you expected for any reason, please contact us and we will gladly replace or exchange any items free of charge.
Learn more:
https://geekpsters.com/pages/our-returns-are-hassle-free
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Size Chart
| Measurement | XS | S | M | L | XL | 2XL | 3XL | 4XL | 5XL |
|---|---|---|---|---|---|---|---|---|---|
| Width, in | 16.50 | 18.00 | 20.00 | 22.00 | 24.00 | 26.00 | 28.00 | 30.00 | 32.00 |
| Length, in | 27.00 | 28.00 | 29.00 | 30.00 | 31.00 | 32.00 | 33.00 | 34.00 | 35.00 |
| Sleeve length, in | 8.60 | 8.90 | 9.20 | 9.50 | 9.70 | 10.00 | 10.40 | 10.80 | 11.20 |
| Size tolerance, in | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |














