| Size | Length | Chest |
|---|---|---|
| S | 28in | 18in |
| M | 29in | 20in |
| L | 31in | 22in |
| XL | 31in | 24in |
| 2XL | 32in | 26in |
| 3XL | 33in | 28in |
| 4XL | 34in | 30in |
| 5XL | 35in | 32in |
Sigmatees K=Fc² Shirt
$27.99 Original price was: $27.99.$20.99Current price is: $20.99.
Standard U.S. Size Chart
| Size | Length | Chest |
|---|---|---|
| S | 71cm | 46cm |
| M | 74cm | 51cm |
| L | 76cm | 56cm |
| XL | 79cm | 61cm |
| 2XL | 81cm | 66cm |
| 3XL | 84cm | 71cm |
| 4XL | 86cm | 76cm |
| 5XL | 89cm | 81cm |
| Size | Length | Chest |
|---|---|---|
| S | 25in | 16in |
| M | 26in | 17in |
| L | 26.5in | 18in |
| XL | 27in | 20in |
| 2XL | 28in | 21in |
| Size | Length | Chest |
|---|---|---|
| S | 65cm | 41cm |
| M | 66cm | 44cm |
| L | 68cm | 46cm |
| XL | 69cm | 50cm |
| 2XL | 71cm | 53.5cm |
| Size | Length | Chest | Sleeve |
|---|---|---|---|
| S | 27in | 20in | 34.5in |
| M | 28in | 22in | 35.5in |
| L | 29in | 24in | 36.5in |
| XL | 30in | 26in | 37.5in |
| 2XL | 31in | 28in | 38.5in |
| 3XL | 32in | 30in | 39in |
| 4XL | 33in | 32in | 39.5in |
| 5XL | 34in | 34in | 40in |
| Size | Length | Chest | Sleeve |
|---|---|---|---|
| S | 67cm | 51cm | 88cm |
| M | 71cm | 56cm | 90cm |
| L | 74cm | 61cm | 93cm |
| XL | 76cm | 66cm | 95cm |
| 2XL | 78cm | 71cm | 98cm |
| 3XL | 82cm | 76cm | 99cm |
| 4XL | 84cm | 82cm | 100cm |
| 5XL | 86cm | 86cm | 102cm |
| SIZE | BODY LENGTH | BODY WIDTH |
|---|---|---|
| S | 27 | 18 |
| M | 28 | 20 |
| L | 29 | 22 |
| XL | 30 | 24 |
| 2XL | 31 | 26 |
| 3XL | 32 | 28 |
The actual dimension of the product may be vary. 1 inch difference is advised.
| SIZE | BODY LENGTH | BODY WIDTH |
|---|---|---|
| S | 69 | 46 |
| M | 71 | 51 |
| L | 74 | 56 |
| XL | 76 | 61 |
| 2XL | 79 | 66 |
| 3XL | 81 | 71 |
The actual dimension of the product may be vary. 1 inch difference is advised.
| SIZE | BODY LENGTH | BODY WIDTH |
|---|---|---|
| S | 28 | 18 |
| M | 29 | 20 |
| L | 30 | 22 |
| XL | 31 | 24 |
| 2XL | 32 | 26 |
| 3XL | 33 | 28 |
The actual dimension of the product may be vary. 1 inch difference is advised.
| SIZE | BODY LENGTH | BODY WIDTH |
|---|---|---|
| S | 71 | 46 |
| M | 74 | 51 |
| L | 76 | 56 |
| XL | 79 | 61 |
| 2XL | 81 | 66 |
| 3XL | 84 | 71 |
The actual dimension of the product may be vary. 1 inch difference is advised.
| SIZE | BODY LENGTH | BODY WIDTH |
|---|---|---|
| S | 25 | 17 |
| M | 26 | 19 |
| L | 27 | 21 |
| XL | 28 | 23 |
| 2XL | 29 | 25 |
| 3XL | 30 | 27 |
The actual dimension of the product may be vary. 1 inch difference is advised.
| SIZE | BODY LENGTH | BODY WIDTH |
|---|---|---|
| S | 65 | 44 |
| M | 66 | 49 |
| L | 69 | 54 |
| XL | 71 | 59 |
| 2XL | 72 | 64 |
| 3XL | 74 | 69 |
The actual dimension of the product may be vary. 1 inch difference is advised.
| SIZE | BODY LENGTH FRONT | BODY WIDTH |
|---|---|---|
| XS | 18 | 15 |
| S | 19 | 16 |
| M | 20 | 17 |
| L | 21 | 18 |
| XL | 22 | 19 |
| 2XL | 23 | 20 |
The actual dimension of the product may be vary. 1 inch difference is advised.
| SIZE | BODY LENGTH FRONT | BODY WIDTH |
|---|---|---|
| XS | 46 | 39 |
| S | 49 | 40 |
| M | 50 | 42 |
| L | 52 | 44 |
| XL | 53 | 46 |
| 2XL | 55 | 49 |
The actual dimension of the product may be vary. 1 inch difference is advised.
| Size | Length | Chest | Sleeve |
|---|---|---|---|
| S | 27in | 20in | 33.5in |
| M | 28in | 22in | 34.5in |
| L | 29in | 24in | 35.5in |
| XL | 30in | 26in | 36.5in |
| 2XL | 31in | 28in | 37.5in |
| 3XL | 32in | 30in | 38.5in |
| Size | Length | Chest | Sleeve |
|---|---|---|---|
| S | 68cm | 51cm | 85cm |
| M | 71cm | 56cm | 88cm |
| L | 74cm | 61cm | 90cm |
| XL | 76cm | 66cm | 93cm |
| 2XL | 79cm | 71cm | 95cm |
| 3XL | 81cm | 76cm | 98cm |
| Size | Length | Chest | Sleeve |
|---|---|---|---|
| S | 28in | 18in | 33.5in |
| M | 29in | 20in | 35in |
| L | 30in | 22in | 36.5in |
| XL | 31in | 24in | 38in |
| 2XL | 32in | 26in | 39.5in |
| 3XL | 33in | 28in | 39.5in |
| Size | Length | Chest | Sleeve |
|---|---|---|---|
| S | 71cm | 46cm | 85cm |
| M | 74cm | 51cm | 89cm |
| L | 76cm | 56cm | 93cm |
| XL | 79cm | 61cm | 97cm |
| 2XL | 81cm | 66cm | 100cm |
| 3XL | 84cm | 71cm | 100cm |
| SIZE | BODY LENGTH | BODY WIDTH |
|---|---|---|
| 2T | 15 | 12 |
| 3T | 16 | 13 |
| 4T | 17 | 14 |
| 5/6 | 18 | 15 |
| 7 | 19 | 16 |
The actual dimension of the product may be vary. 1 inch difference is advised.
| SIZE | BODY LENGTH | BODY WIDTH |
|---|---|---|
| 2T | 38 | 30 |
| 3T | 41 | 33 |
| 4T | 43 | 36 |
| 5/6 | 46 | 38 |
| 7 | 48 | 41 |
The actual dimension of the product may be vary. 1 inch difference is advised.
| SIZE | BODY LENGTH | BODY WIDTH |
|---|---|---|
| New Born | 11 | 7 |
| 6M | 12 | 9 |
| 12M | 13 | 10 |
| 18M | 14 | 11 |
| 24M | 15 | 12 |
The actual dimension of the product may be vary. 1 inch difference is advised.
| SIZE | BODY LENGTH | BODY WIDTH |
|---|---|---|
| New Born | 28 | 18 |
| 6M | 30 | 23 |
| 12M | 33 | 25 |
| 18M | 36 | 28 |
| 24M | 38 | 30 |
The actual dimension of the product may be vary. 1 inch difference is advised.
Estimated arrival
Jun 19
Jun 20 - Jun 22
Jun 23 - Jun 26
Sigmatees K=Fc² Shirt: Unleash Your Inner Physicist
Embrace the enigmatic world of physics with our exclusive Sigmatees K=Fc² Shirt. This stylish and thought-provoking tee is a testament to the beauty and complexity of the universe.
Unveiling the Equation:
The iconic equation K=Fc² is emblazoned across the chest, representing the fundamental relationship between kinetic energy (K), force (F), and the speed of light (c). This equation encapsulates the power and elegance of physics, inspiring awe and curiosity in all who behold it.
Premium Quality and Comfort:
Crafted from ultra-soft, breathable cotton, our shirt ensures maximum comfort throughout the day. Its durable construction guarantees longevity, making it a wardrobe staple for years to come.
A Conversation Starter:
More than just a shirt, the Sigmatees K=Fc² Shirt is a conversation starter. It sparks discussions about the wonders of science, igniting a passion for knowledge and exploration.
Benefits:
Express your love for physics in a stylish way
Inspire curiosity and ignite conversations
Enjoy exceptional comfort and durability
Make a statement that reflects your intellectual pursuits
Value:
The Sigmatees K=Fc² Shirt is not just a piece of clothing; it’s a symbol of your passion for science. It empowers you to share your knowledge, inspire others, and embrace the boundless possibilities of the universe.




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- Production Time: All orders are processed within 1 – 3 business days.
- Delivery Time: Standard (4 – 10 Business Days) - Expedited (2 – 5 Business Days)
- Returns & Exchanges: Full refund, no questions asked. Defective/damaged items replaced (no extra fee) within 30 days of purchase.
- Track your package: We’ll send tracking number with confirmation email when available, so you can track online.
- Global Shipping Available: Winred ships to over 100 countries, rates & fees may vary by location.
- If you have any other queries, please feel free to email us at [email protected]












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