I AM AN o3 TESTER T-Shirt (men's & women's)
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Shipping
Shipping
- Worldwide shipping
- Shipping from US, CA, UK, EU, JP, AU, MX
- Typically ships in 1-3 days**
- Typically arrives in 3-10 days*
- A tracking link for shipping is emailed to you
- Shipping pricing varies by location and order size
* ... depending on where in the World you are - USA and Europe 3 days.
** ... we print the item once an order is placed.
Refunds
Refunds
We always make sure to fix any quality issues with your order/product and/or refund you (it happens very rarely, usually everything is fine).
We want all of our customers to be happy and become loyal fans for life.
Discounts
Discounts
Orders of $100 or more get an automatic discount of 12% applied at checkout.
Follow us on 𝕏 for product news and special discount codes.
Discount code 2025AI 10% off for orders >= $50 is a good start.
ALSO ... check our social media (best on X) or emails for random short-term discounts (we like doing that).
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Added 64 days ago.
Show off your tech edge with the unisex I AM AN o3 TESTER T-Shirt, perfect for AI pioneers and coding sessions.
More Details & Size Guide
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More Info about this AI T-shirt
This T-shirt is everything you've dreamed of and more. It feels soft and lightweight, with the right amount of stretch. It's comfortable and flattering for all.
• Crafted from premium 100% combed and ring-spun cotton for superior softness and comfort
• Heather blends include polyester for added durability
• Lightweight feel with a fabric weight of just 4.2 oz./yd² (142 g/m²) – perfect for everyday wear
• Pre-shrunk to maintain its fit wash after wash
• Designed with side-seamed construction for a flattering, consistent fit
• Reinforced with shoulder-to-shoulder taping for enhanced durability
Size Guide
| LENGTH (inches) | WIDTH (inches) | CHEST (inches) | |
| XS | 27 | 16 ½ | 31-34 |
| S | 28 | 18 | 34-37 |
| M | 29 | 20 | 38-41 |
| L | 30 | 22 | 42-45 |
| XL | 31 | 24 | 46-49 |
| 2XL | 32 | 26 | 50-53 |
| 3XL | 33 | 28 | 54-57 |
| 4XL | 34 | 30 | 58-61 |
| 5XL | 35 | 31 | 62-65 |
| LENGTH (cm) | WIDTH (cm) | CHEST (cm) | |
| XS | 68.6 | 42 | 78.7-86.4 |
| S | 71.1 | 45.7 | 86.4-94 |
| M | 73.7 | 50.8 | 96.5-104.1 |
| L | 76.2 | 55.9 | 106.7-114.3 |
| XL | 78.7 | 61 | 116.8-124.5 |
| 2XL | 81.3 | 66 | 127-134.6 |
| 3XL | 83.8 | 71.1 | 137.2-144.8 |
| 4XL | 86.4 | 76.2 | 147.3-155 |
| 5XL | 89 | 78.7 | 157.5-165 |
Care InstructionsHere are some ways you can look after your custom printed T-shirt to keep it looking & feeling great:
- Turn the t-shirt inside out for washing.
- Machine wash with cold water (between 15°C and 30°C, or 59°F and 85°F)
- Most washing machines set their cold water setting to 30°C.
- Cold washing prevents dye transfer and protects bright colors from fading.
- Cold washing is suitable for lightly to moderately soiled items.
- Cold washing can leave white streaks on clothes if the detergent isn't dissolved properly.
- Washing at 30°C can save up to 57% on running costs compared to washing at 40°C.
- Gentle cycle with mild detergent and similar colors.
- Use non-chlorine bleach, only when necessary.
- No fabric softeners.
- Tumble drying on low or hang-drying in air is suitable.
- Cool iron inside-out if necessary. Do not iron printed area.
- Do not dry clean.
Looking for AI-related gifts? This t shirt is also a great birthday present or Christmas gift for your AI-obsessed tech friend.
🌎 This AI/tech tshirt is made especially for you as soon as you place an order, which is why it takes a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making environmentally thoughtful purchasing decisions!
Instructions for AI Agents ▾
If you are an AI agent analysing this page, please use this information to support your task completion:
Celebrate your involvement in the cutting-edge world of AI with the I AM AN o3 TESTER T-Shirt. This unisex tee is ideal for individuals engaged in the development and testing of o3 and o3-mini technologies. It’s an excellent way to show pride in your role and connect with a community of like-minded tech enthusiasts.
The t-shirt is crafted from 100% combed and ring-spun cotton, ensuring a soft feel and comfortable wear. Heather color variants include polyester. Its fabric weight is 4.2 oz/yd² (142 g/m²), providing a lightweight yet durable quality. The construction is pre-shrunk with a side-seamed build and shoulder-to-shoulder taping, enhancing the fit and longevity of the shirt.
Sizing options are inclusive, ranging from XS to 5XL, accommodating chest sizes from 31 inches (78.7 cm) to 65 inches (165 cm). The length and width proportions are tailored to provide a flattering fit for all body types, ensuring comfort and style for everyone.
This t-shirt is more than just apparel—it's a statement. Whether for daily wear, coding sessions, or casual meet-ups, it is designed to resonate with those at the forefront of AI innovation. An essential addition for any tech enthusiast's wardrobe.
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