Tired Light T-Shirt | When Photons Need a Coffee Break

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Tired Light T-Shirt | When Photons Need a Coffee Break

Tired Light T-Shirt with retro sci-fi design in red and gray, featuring planets, celebrating Fritz Zwicky's cosmic hypothesis.
Retro sci-fi T-shirt with 'Tired Light' design, featuring planets in red and gray, celebrating Fritz Zwicky's cosmic hypothesis.
Back view of black Tired Light T-Shirt featuring retro sci-fi design, celebrating the cosmic hypothesis with dramatic reds and grays.
Red Tired Light T-Shirt with retro sci-fi design, featuring planets and cosmic elements in grays and reds, inspired by Fritz Zwicky's theory.
Back view of red Tired Light T-Shirt featuring retro sci-fi design in dramatic reds, inspired by Fritz Zwicky's cosmic hypothesis.
Back view of olive green T-shirt featuring futuristic design, celebrating cosmic theories with a playful twist on photon fatigue.
Blue T-shirt featuring sci-fi 'Tired Light' design, planets, and red-gray cosmic elements, inspired by Zwicky's photon hypothesis.
Back view of a turquoise T-shirt featuring the Teknikus Foundry logo on the upper center, perfect for casual wear or branding.
Tired Light T-Shirt featuring retro sci-fi design with planets in red and gray, celebrating Fritz Zwicky's cosmic hypothesis.
Back view of light gray T-shirt with a retro sci-fi design logo in blue, Tired Light theme, referencing cosmic photons taking a break.
White T-shirt with a retro sci-fi design in red and gray featuring planets and the text 'Tired Light - When Photons Need a Coffee Break'.
Back view of a white T-shirt featuring a blue logo on the upper back, emphasizing a clean and minimalist design.
Man wearing a Tired Light T-Shirt with retro sci-fi design in red and gray featuring planets, inspired by Fritz Zwicky's 1929 hypothesis.
Man wearing a red Tired Light T-Shirt with retro sci-fi design featuring planets and cosmic themes.
Woman wearing Tired Light T-Shirt with retro sci-fi design in reds and grays, inspired by cosmic photon fatigue theory.
Man wearing Tired Light T-Shirt with retro sci-fi design, celebrating cosmic hypothesis, standing in a photo studio.
Woman wearing Tired Light T-Shirt featuring retro sci-fi design in reds and grays with planets, inspired by Fritz Zwicky's theory.
Man wearing Tired Light T-Shirt with retro sci-fi design in reds and grays, celebrating photon hypothesis by Fritz Zwicky.

Tired Light T-Shirt | When Photons Need a Coffee Break

Sale price$22.95 USD

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SKU: 1198051_8923
Color:Black Heather
Size:S
Quantity:

Technium Foundry Sizing Chart | How to determine T-Shirt size

TECHNIUM FOUNDRY, LLC SIZING CHART

Understanding T-Shirt Sizing - The Essential Guide

A comprehensive sizing chart is crucial for confident online t-shirt shopping, as it bridges the gap between vision and reality. The most important elements include precise measurements for chest width, shirt length, and sleeve length in both inches and centimeters.

Pay special attention to whether the brand follows traditional sizing (S, M, L) or numerical sizing, and note any indicators that a style runs "true to size," "slim fit," or "oversized." Gender-specific cuts have distinct proportions—men's shirts typically have broader shoulders and longer torsos, while women's feature more tapered waists. Material composition significantly impacts fit; cotton tends to shrink slightly, while blended fabrics maintain their shape.

For maximum satisfaction, always measure a well-fitting shirt you already own and compare these measurements to the chart rather than relying solely on your usual size designation. Remember that international sizing varies considerably—an American medium might be a European large—so never assume size equivalency across different regions or brands.


Fritz Zwicky's 1929 alternative to the expanding universe theory - because sometimes even light gets exhausted trying to explain where it's been! This design celebrates the cosmic hypothesis that suggested photons don't expand space, they just need a nap after traveling for billions of years.


Technical Details:

-Retro sci-fi design in dramatic reds and grays
-Features planets looking suspiciously fatigued
-Quality that won't redshift no matter how far it travels
-Pre-shrunk (unlike Zwicky's theory under peer review)


Perfect For:

-Cosmologists with a sense of humor
-People who think light speed needs a speed limit
-Anyone who's ever felt as tired as a billion-year-old photon
-Astronomers who appreciate alternative theories (and alternative facts)
-Those who understand that sometimes even electromagnetic radiation needs a break

Note: No photons were harmed in the making of this shirt, though several complained about their morning commute through the cosmos.

• 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), Technium Foundry 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 2201 Gibson Rd., Jacksonville, FL 32207, USA or Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.

Size guide

  LENGTH (inches) WIDTH (inches) CHEST (inches)
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

Shipping & Returns

Global shipping and returns at no cost - includes customs and duties. Free to Europe, complimentary in the US. Unmatched by competitors.

Shipping & Returns

Global shipping and returns at no cost - includes customs and duties. Free to Europe, complimentary in the US. Unmatched by competitors.

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