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i test in PROD sweatshirt -
friday deploys = team building shirt -
3+ shirts ship free
Build Your Dev Tee Stack
Pick your favorite dev jokes, choose size once, add fast.
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Breaking Prod sweatshirt -
Deploy Chaos shirt -
it worked in staging -
i test in prod woman shirt -
breaking things for a living shirt -
localhost vs production sweatshirt -
deploy and pray cloud shirt -
our friday afternoon activity shirt -
hot fix sweatshirt -
shipping dad jokes without QA -
Breaking Prod woman shirt -
ship it. let god sort it out. skeleton shirt -
quick fix famous last words sweatshirt -
can we test it on prod Sweatshirt -
can we test it on prod shirt -
works locally failed globally shirt -
Late night deployer guys shirt -
deploy to production spaceship shirt -
i like to live dangerously shirt -
it worked in prod shirt -
debugging prod from the beach shirt
Browse all developer shirts
36 designs in this collection
Definition
What are
What are
I Test in Prod Shirts?
I Test in Prod shirts are tees and hoodies for engineers who have shipped a hotfix at 11pm and lived to talk about it. The joke is real because the staging environment is always a little broken, the data is always a little stale, and prod is where the bugs actually live. Code Culture makes shirts about that uncomfortable truth.
Best for
- Senior engineersWho know staging never matches prod
- DevOps and SREsOn-call, caffeinated, kubectl applied
- Backend devsShipping hotfixes on a Friday afternoon
- Startup engineersWhere everyone tests in prod by default
- QA folks with humorWho tolerate the dark side of the joke
About
I Test in Prod Shirts
Roughly 76% of organizations report at least one severe outage in the past three years (Uptime Institute, 2024), and a fair share of those started with someone testing something that should have stayed in staging. I Test in Prod is the t-shirt confession of every engineer who has watched a deploy succeed, refreshed the page, and then watched the metrics graph turn red.
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The shirts in this collection lean into that gallows humor without being cynical. Some reference 'works on my machine,' some reference 'it was DNS,' some just say the quiet part loud. If you spend your time in pull requests, terminal sessions, and Slack incident channels, the references will land. For the broader genre, the DevOps shirts and SRE shirts collections sit nearby.
These are good shirts for engineers who have been doing this long enough to know that 100% test coverage is a marketing number, that the canary deploy is still going to crash, and that whoever wrote the post-mortem template did not understand prod incidents. Buying for someone? The gifts for developers collection sorts picks by role.
Printed on 240gsm ringspun cotton, preshrunk so the shirt does not change shape after the first wash. Holds up to long on-call shifts, cold conference rooms, and accidental coffee spills during a war room call. Stocked in XS through 3XL across the collection, with standard and relaxed fits depending on the design. International shipping is available and three or more shirts qualifies for free shipping, which is helpful when the whole team wants to wear matching gallows humor to the next retro.
FAQ
Frequently
Frequently
Asked
Questions
- What does 'I test in prod' actually mean?
- It is the engineering joke that staging never fully matches production, so the real test is the deploy itself. People who say it sincerely usually have feature flags, canary deploys, and a strong rollback story. People who say it ironically have all of that plus battle scars. The shirt works both ways.
- Is 'I test in prod' actually a bad practice?
- Not always. Modern release engineering depends on shadow traffic, canary deploys, and feature flags, which are forms of testing in production with safety rails. The shirt pokes fun at the cowboy version of the practice, deploying on a Friday and hoping. Most senior engineers have done both, depending on the org and the stakes.
- Who is this shirt a good gift for?
- Backend engineers, SREs, DevOps folks, and anyone who carries a pager. It lands especially well for someone who has been recently on-call or just survived an incident. For a curated set, the gifts for developers collection groups picks by role and price range so you do not have to guess.
- What sizes and fits are available?
- All shirts in this collection come in XS through 3XL, standard and relaxed fits. Every product page has a size chart with chest and length measurements in inches and centimetres. Shirts are preshrunk 240gsm ringspun cotton, so washing does not change the fit.
- Do you ship internationally?
- Yes, worldwide. Free shipping kicks in at three or more shirts. US delivery is typically 5 to 7 business days. International orders land in 10 to 14 business days. Customs and duties where applicable are the buyer's responsibility, which is something we should put on a shirt next.