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A clever nod to every network engineer’s daily chaos.
This design celebrates the unsung heroes who keep packets flowing and subnets behaving.
“VLANs – Off the Firewall” is more than a pun — it’s a statement for those who live between ports, rules, and configurations.
Made for professionals who understand that behind every stable connection, there’s a perfectly segmented VLAN.
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.
• 100% combed and ring-spun cotton (Heather colors contain polyester)
• Fabric weight: 4.2 oz./yd.² (142 g/m²)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping
• Blank product sourced from Nicaragua, Mexico, Honduras, or the US
• Traceability:
- Weaving—India, South Korea
- Dyeing—El Salvador, California
- Manufacturing—Nicaragua, Mexico, Honduras, or the US
• Contains 0% recycled polyester
• Contains 0% dangerous substances
Age restrictions: For adults
EU Warranty: 2 years
In compliance with the General Product Safety Regulation (GPSR), USE I.T LLC and SINDEN VENTURES LIMITED ensure that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact our EU representative at gpsr@sindenventures.com. You can also write to us at 9055, 1021 E Lincolnway, Cheyenne, WY, Laramie, EUA, 82001 or Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.

VLANs - Off the Firewall - Unisex t-shirt
$30.00
This design celebrates the unsung heroes who keep packets flowing and subnets behaving.
“VLANs – Off the Firewall” is more than a pun — it’s a statement for those who live between ports, rules, and configurations.
Made for professionals who understand that behind every stable connection, there’s a perfectly segmented VLAN.
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.
• 100% combed and ring-spun cotton (Heather colors contain polyester)
• Fabric weight: 4.2 oz./yd.² (142 g/m²)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping
• Blank product sourced from Nicaragua, Mexico, Honduras, or the US
• Traceability:
- Weaving—India, South Korea
- Dyeing—El Salvador, California
- Manufacturing—Nicaragua, Mexico, Honduras, or the US
• Contains 0% recycled polyester
• Contains 0% dangerous substances
Age restrictions: For adults
EU Warranty: 2 years
In compliance with the General Product Safety Regulation (GPSR), USE I.T LLC and SINDEN VENTURES LIMITED ensure that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact our EU representative at gpsr@sindenventures.com. You can also write to us at 9055, 1021 E Lincolnway, Cheyenne, WY, Laramie, EUA, 82001 or Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.
Size guide
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 |