Northbound Aviation
121.500 Short Sleeve T-shirt
Description
121.500 — the frequency every pilot knows.
This tee is built around one of aviation’s most recognised numbers: the emergency frequency. Simple, dark, and subtle, it carries real meaning without needing a loud design.
Made for pilots, student pilots, instructors, ATC people, and aviation lovers who appreciate clean aviation details that only the right people will instantly understand.
• 100% combed ring-spun cotton
• Heather Grey is 90% cotton, 10% polyester
• Fabric weight: 4.3 oz/yd² (145.8 g/m²)
• 32 singles
• Pre-shrunk
• Blank product sourced from Honduras, Nicaragua, Mexico, or Cambodia
This tee is built around one of aviation’s most recognised numbers: the emergency frequency. Simple, dark, and subtle, it carries real meaning without needing a loud design.
Made for pilots, student pilots, instructors, ATC people, and aviation lovers who appreciate clean aviation details that only the right people will instantly understand.
• 100% combed ring-spun cotton
• Heather Grey is 90% cotton, 10% polyester
• Fabric weight: 4.3 oz/yd² (145.8 g/m²)
• 32 singles
• Pre-shrunk
• Blank product sourced from Honduras, Nicaragua, Mexico, or Cambodia
Size guide
| BODY LENGTH (inches) | BODY WIDTH (inches) | |
| S | 28 | 19 |
| M | 29 | 20 ½ |
| L | 30 | 22 |
| XL | 31 | 24 |
| 2XL | 32 | 26 |
| 3XL | 33 | 28 |
| BODY LENGTH (cm) | BODY WIDTH (cm) | |
| S | 71.1 | 48.3 |
| M | 73.7 | 52 |
| L | 76.2 | 55.9 |
| XL | 78.7 | 61 |
| 2XL | 81.3 | 66 |
| 3XL | 83.8 | 71.1 |
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