+38
✦ Runtime
Off By One
$44.98 CADTri-Blend Tee
A clean Runtime tee for the boundary bug that has humbled every loop, slice, page count, and array index.Printed as light ink on dark tees with a bold misaligned block mark built for developers who know exactly how one can be too many.
Style — Tri-Blend Tee
6 styles
Tall Tee
$35.98
Full-Zip Hoodie
$59.98
Pocket Hoodie
$54.98
Classic Tee
$29.98
Long Sleeve Tee
$39.98
Tri-Blend Tee
$44.98
Same design, different cut — each printed to order.
Free NA shipping
Printed on demand
Honest pricing
Soft, lightweight 100% combed ring-spun cotton (4.2 oz/yd²) with the right amount of stretch. Pre-shrunk and side-seamed. Exact fabric and construction details for this product are in Fabric & fit below.
Direct-to-garment printed with water-based, eco-certified inks for a soft hand-feel. Machine wash cold inside-out, hang dry. Do not iron the print.
Printed just for you in 2–5 business days, then shipped free with tracking across Canada and the US — most orders arrive within 10–14 days. Because every tee is made to order, we can’t accept returns for sizing or change of mind, so check the size guide before you buy. Damaged, misprinted, or wrong item? We replace it free — email photos within 14 days of delivery.
Fabric & fit
- Fabric
- 50% polyester, 25% combed ring-spun cotton, 25% rayon
- Weight
- Light — 3.4 oz/yd² (115.3 g/m²)
- Fit
- Regular fit
- Sleeve
- Short sleeve
- Label
- Tear-away label
- Construction
- Pre-shrunk for extra durability · 40 singles · Side-seamed construction
The fabric is slightly sheer and may appear see-through, especially in lighter colors or under certain lighting conditions.
Size Guide
A Length
Place the end of the tape beside the collar at the top of the tee (Highest Point Shoulder). Pull the tape measure to the bottom of the shirt.
B Width
Place the end of the tape at the seam under the sleeve and pull the tape measure across the shirt to the seam under the opposite sleeve.
| XS | S | M | L | XL | 2XL | 3XL | 4XL | |
|---|---|---|---|---|---|---|---|---|
| Length | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 |
| Width | 16.5 | 18 | 20 | 22 | 24 | 26 | 28 | 30 |
Measurements are provided by our suppliers. Product measurements may vary by up to 2" (5 cm).
Pro tip! Measure one of your products at home and compare with the measurements you see in this guide.
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