Proof of Concept Tee
Free shipping when you spend ¥16,013+ for everyone. Promotion auto-applied on checkout.
Acknowledgment through action.
Proof of Concept isn’t an idea — it’s the result.
It marks the moment where intention gives way to execution and outcomes replace explanation. This piece exists as evidence that structure, discipline, and follow-through produce change. No promises. Just proof.
• Premium cotton tee
• Short-sleeve silhouette
• Front “Proof of Concept” graphic
• Soft-hand print
• Built for daily wear
• True to size
Release Note
Available until March 14th.
Beware the Ides of March.
More details
- 100% ring-spun cotton
- Heavyweight fabric: (6.5 oz.)
- 18 singles yarn
- Oversized fit
- Tear-away label
- Washed-color options for a trendy vintage look
- Streetwear-inspired style
EU GPSR Product Information:
- Manufacturer contact information
- Name: Broken Script Clothing Co
- Email: contact@support.girthyculture.store
- Postal address: PO Box 5696 Santa Monica, CA 90405
- Additional information: This product is made for adults. Meets the fire safety requirements. 2 year warranty in EEA and UK, established by Directive 1999/44/EC.
Size & Fit
Quality Guarantee & Returns
- Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it.
- Because the products are made to order, we do not accept general returns or sizing-related returns.
Proof of Concept Tee Size Guide
| Size label | Length | Width |
|---|---|---|
|
S
|
27.75
|
19.75
|
|
M
|
28.75
|
20.75
|
|
L
|
29.75
|
22.75
|
|
XL
|
30.75
|
24.75
|
|
2XL
|
31.75
|
26.75
|
|
3XL
|
32.75
|
30.75
|