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it worked in prod sweatshirt -
spooky code shirt -
hello darkness my old friend shirt -
the deploying movie sweatshirt -
npm install streetwear sweatshirt -
looks good to me sweatshirt -
Agile Sucks sweatshirt -
lets debug duck sweatshirt -
default password shirt -
the debugger shirt -
ship it anyway shirt -
deploy hugs not bugs shirt -
Debugging Skull shirt -
debugging social club shirt -
Infinite Loop shirt -
debugging review shirt -
forked and forgotten shirt -
trust me im in dev shirt -
just log it shirt -
analytical AF shirt -
Analyze, Optimize, Validate -
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Ringspun cotton, 240gsm, preshrunk. Wear-tested by real devs.
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228 designs in this collection
Definition
What are
What are
SRE Shirts?
SRE shirts are tees and hoodies for the people who own production uptime, run the post-mortems, and live by the error budget. SLOs, SLIs, on-call rotations, and the eternal joke that observability is just printf with a budget are all here. Code Culture makes SRE shirts written by people who understand the difference between toil and engineering.
Best for
- Site reliability engineersOwning uptime and post-mortems
- Production engineersCapacity, performance, and incident response
- Platform engineersBuilding the paved road
- DevOps engineersPipelines, IaC, and pager fatigue
- On-call survivorsAnyone with a PagerDuty integration on their phone
About
SRE Shirts
Roughly 70% of organizations now run formal SRE practices in production environments (DORA State of DevOps, 2024), and the people doing the work tend to share a specific kind of dark humor. SRE shirts is built for engineers who can explain SLOs without making it boring, who have seen a 9 disappear from their uptime number in real time, and who understand that the error budget exists so you can spend it.
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The designs in this collection reference the actual texture of SRE work: the post-mortem template that asks 'what went well,' the incident channel that turned into a 100 person meeting at 3am, the eternal argument about whether toil counts as engineering work. If you want adjacent humor, the DevOps shirts and I test in prod shirts collections sit next door. The Linux shirts collection covers the kernel and sysadmin side of the work.
SRE is a discipline where the writing has to be precise because the audience will spot a fake reference in seconds. These designs are written by people who have actually been paged during a holiday, who have argued about whether a 99.95% SLO is honest, and who know that the best engineering happens before the incident, not during. The collection respects that, with references that lean specific over generic.
Printed on 240gsm ringspun cotton, preshrunk. The shirts hold up through long on-call shifts, the very specific cold of a 4am incident war room, and the laundry cycles that follow a particularly bad release week. Stocked in XS through 3XL across the catalog in standard and relaxed fits. The fabric holds shape through repeated washing, even on the laundry cadence of someone who carries a pager. Three or more shirts qualifies for free international shipping.
FAQ
Frequently
Frequently
Asked
Questions
- What is the difference between an SRE shirt and a DevOps shirt?
- SRE shirts lean into reliability culture: SLOs, SLIs, error budgets, post-mortems, and incident response. DevOps shirts lean a little more toward pipelines, infrastructure as code, and the developer-operator overlap. Many designs cross both collections because the roles overlap heavily in practice. If your person is on a formal SRE team, this collection is the closer fit.
- Are these for senior SREs or do junior SREs get the jokes?
- Both. The collection has designs that land for engineers in their first year of carrying a pager and others that pay off only if you have argued about SLO budgets in three different companies. The references are written so newer SREs can grow into them. The Google SRE Book and the Production Engineering culture at large are common touchstones across the designs.
- Are these good gifts for someone newly on-call?
- Yes, especially as a quiet acknowledgement that on-call is hard and the work is real. The shirts work as the kind of gift that says 'I see what you do' without being precious about it. The gifts for developers and gifts for devops engineers collections have wider picks if you want to compare across roles or pair the shirt with something else.
- What sizes and fits are available?
- XS through 3XL in standard and relaxed fits across the collection. Product pages have full size charts with chest and length measurements in inches and centimetres. Shirts are preshrunk 240gsm ringspun cotton, so washing does not change the fit. If you are between sizes, going up a size in standard fit is the safer pick for most body types.
- Do you ship internationally and offer free shipping?
- Yes, worldwide shipping is available on every shirt. Three or more items qualifies for free international shipping. US delivery is typically 5 to 7 business days. International orders take 10 to 14 business days. Customs duties where applicable are the buyer's responsibility and vary by country, similar to how your error budget varies by quarter.