Built for pressure.
The Progress(ive) Performance Tee is part of the collaboration between Dark Yarn and Robert L. Arnold (@defiance13) — a collection created at the intersection of activism, accountability, and everyday visibility. Designed for people who refuse to disengage, this piece represents movement in every sense of the word: physical, cultural, and political.
Constructed from premium moisture-wicking performance fabric, this tee is engineered to keep up with intensity. Lightweight, breathable, and built with odor resistance, stain release, and UV protection, it’s designed for workouts, long days, difficult conversations, and showing up when it matters most.
Because resistance isn’t passive.
Neither is this shirt.
Every Progress(ive) purchase directly supports democracy defense and equality initiatives helping fund independent media, civic engagement, and real-world action through collective economic pressure.
No billionaires. No corporate puppeteers. No performative activism.
Just people moving resources toward something bigger than themselves.
Product Details:
• 100% premium polyester
• Lightweight moisture-wicking fabric
• Odor-resistant and stain-release technology
• Fade and snag resistant
• Relaxed athletic fit
• UPF44+ UV protection
• Reinforced shoulder seams for durability
• Built for training, movement, and everyday wear
Wear What Matters.
Size guide
| LENGTH (inches) | CHEST (inches) | SLEEVE LENGTH (inches) | |
| S | 27 ½ | 36-39 | 18 ½ |
| M | 28 ½ | 39-42 | 19 ¼ |
| L | 29 ½ | 42-45 | 20 |
| XL | 30 ½ | 46-49 | 20 ¾ |
| 2XL | 31 ½ | 50-53 | 21 ½ |
| 3XL | 32 ½ | 54-57 | 22 ¼ |
| 4XL | 33 ½ | 58-61 | 23 |
| LENGTH (inches) | CHEST (inches) | SLEEVE LENGTH (inches) | |
| S | 27 ½ | 36-39 | 18 ½ |
| M | 28 ½ | 39-42 | 19 ¼ |
| L | 29 ½ | 42-45 | 20 |
| XL | 30 ½ | 46-49 | 20 ¾ |
| 2XL | 31 ½ | 50-53 | 21 ½ |
| 3XL | 32 ½ | 54-57 | 22 ¼ |
| 4XL | 33 ½ | 58-61 | 23 |
Your Impact: $5.00
Make a difference today. Every purchase funds impact causes. Learn more
Shipping calculated at checkout.
Built for pressure.
The Progress(ive) Performance Tee is part of the collaboration between Dark Yarn and Robert L. Arnold (@defiance13) — a collection created at the intersection of activism, accountability, and everyday visibility. Designed for people who refuse to disengage, this piece represents movement in every sense of the word: physical, cultural, and political.
Constructed from premium moisture-wicking performance fabric, this tee is engineered to keep up with intensity. Lightweight, breathable, and built with odor resistance, stain release, and UV protection, it’s designed for workouts, long days, difficult conversations, and showing up when it matters most.
Because resistance isn’t passive.
Neither is this shirt.
Every Progress(ive) purchase directly supports democracy defense and equality initiatives helping fund independent media, civic engagement, and real-world action through collective economic pressure.
No billionaires. No corporate puppeteers. No performative activism.
Just people moving resources toward something bigger than themselves.
Product Details:
• 100% premium polyester
• Lightweight moisture-wicking fabric
• Odor-resistant and stain-release technology
• Fade and snag resistant
• Relaxed athletic fit
• UPF44+ UV protection
• Reinforced shoulder seams for durability
• Built for training, movement, and everyday wear
Wear What Matters.
Size guide
| LENGTH (inches) | CHEST (inches) | SLEEVE LENGTH (inches) | |
| S | 27 ½ | 36-39 | 18 ½ |
| M | 28 ½ | 39-42 | 19 ¼ |
| L | 29 ½ | 42-45 | 20 |
| XL | 30 ½ | 46-49 | 20 ¾ |
| 2XL | 31 ½ | 50-53 | 21 ½ |
| 3XL | 32 ½ | 54-57 | 22 ¼ |
| 4XL | 33 ½ | 58-61 | 23 |
| LENGTH (inches) | CHEST (inches) | SLEEVE LENGTH (inches) | |
| S | 27 ½ | 36-39 | 18 ½ |
| M | 28 ½ | 39-42 | 19 ¼ |
| L | 29 ½ | 42-45 | 20 |
| XL | 30 ½ | 46-49 | 20 ¾ |
| 2XL | 31 ½ | 50-53 | 21 ½ |
| 3XL | 32 ½ | 54-57 | 22 ¼ |
| 4XL | 33 ½ | 58-61 | 23 |
A business built for people. Not profit.
No Greed. No Billionaires.
We don’t want to be billionaires. We want to move billions to people and causes protecting our future.
Tomorrow is Built Today
Commerce Reinvented
Dark Yarn has redefined commerce as a catalyst for change. Every purchase fuels democracy and creates measurable impact.
This Is Collective Economics
Wear What Matters
Every Dark Yarn purchase contributes to democracy defense & social impact initiatives. Learn more
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