Mummyduck Customs
Ancient Piston Technology t-shirt
Ancient Piston Technology t-shirt
Couldn't load pickup availability
The Ancient Piston Technology T-shirt by Mummyduck is a must-have for vintage engine enthusiasts who appreciate classic mechanics. This unique design blends old-school engineering with Mummyduck’s signature style, making it perfect for motorcycle and automotive lovers.
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
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!
• 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), Mullvad oy ensures that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact us at harri.tarkka@mullvad.fi or write to us Särkiniementie 5, 00200 Helsinki, Finland.
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 |
Share








