Off By One
The Agents Found A Room — DROP 001
The Agents Found A Room — DROP 001
The agents searched every channel. They eventually found the incident inside a room we didn’t know existed. A limited heavyweight, oversized tee for developers and AI builders.
Made to order. Please confirm your size and colour before purchasing; we can’t accept returns or exchanges for selection changes.
Best fit check: measure a T-shirt you already own and compare it with ./size-guide below.
./size-guide
Oversized, relaxed boxy fit with dropped shoulders. Choose your usual size for the intended oversized fit, or size down for a closer fit.
| size | width (in / cm) | length (in / cm) |
|---|---|---|
| S | 20 / 50.8 | 28¼ / 71.8 |
| M | 22 / 55.9 | 29¼ / 74.3 |
| L | 24 / 61.0 | 30¼ / 76.8 |
| XL | 26 / 66.0 | 31¼ / 79.4 |
width = measured flat, 1 in / 2.5 cm below the armhole. length = highest shoulder point to bottom hem. For the best comparison, measure a tee you already own. Garment measurements may vary slightly.
./shipping-delivery
Each shirt is made to order. Please allow 2–5 business days for production before it ships.
Typical carrier transit after production is 3–5 business days to the United States, 5–8 to Canada, and 7–14 to Japan. These are estimates, not guarantees.
Standard shipping is free on merchandise orders of C$99 or more. For a one-shirt order, the current flat rate is C$8.59 to Canada; the United States and Japan use a C$4.95 base rate, converted to the market currency at checkout. Final rates are shown at checkout, and split shipments may differ. Tracking is emailed when your order ships.
./returns-exchanges
Because every shirt is made to order, returns or exchanges are not accepted for buyer’s remorse, an incorrect size, or an incorrect colour. Please check the size guide before ordering.
If an item arrives damaged, defective, or misprinted—or your package appears lost—contact us within 30 days of delivery or the estimated delivery date. Eligible issues receive a free reshipment or refund.
./materials-care
Cotton Heritage MC1087 heavyweight box tee:
- 100% combed ring-spun cotton
- 7 oz/yd² (237 g/m²) heavyweight fabric
- Oversized, relaxed boxy fit with dropped shoulders
- Reinforced ribbed neckline
Wash inside out in cold water with like colours and mild detergent. Do not bleach or dry clean. Tumble dry low or hang dry, and do not iron directly over the print.
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The agents searched every channel.
They found the incident eventually—inside a room we didn’t know existed.
Built for developers, AI builders, and anyone who has watched an automated system confidently discover something humans overlooked. The structured, oversized silhouette gives this limited DROP 001 a heavier streetwear feel than our regular tees.
The fit
- Intentionally oversized, boxy fit
- Dropped shoulders and wide sleeves
- Order your usual size for the intended DROP silhouette
- Size down for a closer, less oversized fit
- Reinforced ribbed neckline
The build
- 100% combed ring-spun cotton
- Heavyweight 7 oz./yd² (237 g/m²) fabric
- Direct-to-garment front print
- Off By One mark printed below the back collar
- Made on demand to reduce unnecessary inventory
$ tail -f incident.log
View all limited developer drops.
For the agent that changes everything except the request, see AI Agent Over-Engineers.
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