YUMP: Defined (verb) Shirt
Pickup currently not available
Reliable shipping
Flexible returns
Details
This is not just a word — it’s an action. Show the world what happens when you’re underestimated. This shirt puts your purpose into motion, with ultra-soft organic cotton built for every climb, hustle, and breakthrough.
Perfect for: changemakers, goal crushers, and anyone rewriting their story.
Key features:
Eco-friendly organic fabric
Regular fit with a clean, minimalist edge
Designed for everyday wear with powerful meaning
Ethically made, unapologetically bold
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
Size guide
| LENGTH (inches) | CHEST (inches) | SLEEVE LENGTH (inches) | |
| S | 28 ⅜ | 31-34 | 9 ¼ |
| M | 29 ⅛ | 35-38 | 9 ½ |
| L | 29 ⅞ | 39-41 | 9 ⅝ |
| XL | 31 ⅛ | 42-45 | 9 ⅞ |
| 2XL | 32 ⅛ | 46-48 | 10 |
| 3XL | 33 ⅛ | 49-51 | 10 ¼ |
| 4XL | 33 ⅞ | 52-54 | 10 ¼ |
| 5XL | 34 ⅝ | 55-57 | 10 ¼ |
| LENGTH (cm) | CHEST (cm) | SLEEVE LENGTH (cm) | |
| S | 72 | 78.7-86.4 | 23.5 |
| M | 74 | 89-96.5 | 24 |
| L | 76 | 99-104.1 | 24.5 |
| XL | 79 | 106.7-114.3 | 25 |
| 2XL | 81.5 | 116.8-122 | 25.5 |
| 3XL | 84 | 124.5-129.5 | 26 |
| 4XL | 86 | 132-137.2 | 26 |
| 5XL | 88 | 139.7-144.8 | 26 |
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.