Heresy Merch
Spartan Assault Tank “Owner’s Manual” T-Shirt
Spartan Assault Tank “Owner’s Manual” T-Shirt
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For Those Who Know
You don’t explain this shirt.
You recognise it.
The Spartan Assault Tank “Owner’s Manual” design reimagines one of the most iconic war machines of the Horus Heresy as a vintage workshop manual — complete with detailed schematics, labelled components, and that unmistakable retro engineering aesthetic.
Built for the Dedicated
Built it. Painted it. Deployed it.
Now wear it.
This isn’t just a t-shirt — it’s a nod to the hobby, the hours, and the obsession.
Why You’ll Want It
- Clean, detailed technical design that stands out instantly
- Subtle enough for everyday wear, recognisable to the right people
- Perfect for hobby nights, events, or repping your faction in the wild
Not For Everyone
If you know what a Spartan is — you get it.
- Product Details
- Premium quality print
- Soft, comfortable fit
- Durable design that won’t fade after washes
- Available in multiple sizes
Get Yours Now
Join the few who recognise it.
• 100% combed and ring-spun cotton (Heather colors contain polyester)
• Fabric weight: 4.2 oz/yd² (142 g/m²)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping
• Blank product sourced from Guatemala, Nicaragua, Mexico, Honduras, or the US
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
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 |
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