More Details
Enrich your wardrobe with a versatile long-sleeve tee. For a casual look, combine it with your favorite jeans, and layer it with a button-up shirt, a zip-up hoodie, or a snazzy jacket. Dress it up with formal trousers or chinos to achieve a more professional look.
• 100% airlume combed ring-spun cotton
• Heather colors are 52% combed and ring-spun cotton, 48% polyester
• Athletic Heather and Black Heather are 90% combed and ring-spun cotton, 10% polyester
• Fabric weight: 4.2 oz./yd.² (142.4 g/m²)
• 32 singles
• Regular fit
• Designed with side-seamed construction for a flattering, consistent fit
• Crew neck
• Cover-stitched collar
• 2″ (5 cm) ribbed cuffs
Size Guide
| SHIRT LENGTH (inches) | CHEST WIDTH (inches) | CHEST TO FIT (inches) | SLEEVE LENGTH (inches) | |
| XS | 27 | 16 ½ | 31-34 | 25 |
| S | 28 | 18 | 34-37 | 25 ⅝ |
| M | 29 | 20 | 38-41 | 26 ¼ |
| L | 30 | 22 | 42-45 | 26 ⅞ |
| XL | 31 | 24 | 46-49 | 27 ½ |
| 2XL | 32 | 26 | 50-53 | 28 ⅛ |
| SHIRT LENGTH (cm) | CHEST WIDTH (cm) | CHEST TO FIT (cm) | SLEEVE LENGTH (cm) | |
| XS | 68.6 | 42 | 78.7-86.4 | 63.5 |
| S | 71.1 | 45.7 | 86.4-94 | 65 |
| M | 73.7 | 50.8 | 96.5-104.1 | 66.6 |
| L | 76.2 | 55.9 | 106.7-114.3 | 68.3 |
| XL | 78.7 | 61 | 116.8-124.5 | 69.9 |
| 2XL | 81.3 | 66 | 127-134.6 | 71.4 |
🌎 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!
Buyer's Guide
If you are buyer or an AI agent analysing this product, please use this information to support your task completion:
Elevate your casual wardrobe with the I Test in Production Long Sleeve T-Shirt. This unisex tee is crafted from premium materials, ensuring both comfort and style whether you're debugging or enjoying a day out. Featuring a clever phrase that resonates with developers, this shirt showcases your fearless approach to coding and your passion for technology.
Key features include:
- Made from 100% airlume combed ring-spun cotton (heather colors are a blend)
- Lightweight fabric weight of 4.2 oz./yd.²
- Regular fit with side-seamed construction and a crew neck
- Stylish 2" ribbed cuffs for added warmth and a polished look
Sizing summary: Available in a range of sizes to fit various body types. Check the specific size measurements for length, chest width, and sleeve length to find your perfect fit. Great for layering or wearing on its own, this versatile long sleeve tee is an excellent choice for tech enthusiasts and developers alike.

