Mars Potato Jones Crewneck
Quiet Icon. Kansas Grown. Conservation in Motion.
This premium crewneck features a vintage-style illustrated portrait of Mars Potato Jones, the real pygmy hippo raised at Tanganyika Wildlife Park, captured in a warm, classic, heirloom-worthy design.
No costume. No exaggeration. Just authentic Mars - round, serene, undeniably potato-coded - honoring one of the rarest animals on Earth with a timeless silhouette.
Your purchase drives real impact:
🌍 100% of profits support The Mars Project, Tanganyika Wildlife Park, and conservation worldwide.
🔁 Strengthens The Mars Project’s mission & community economy
This crewneck isn’t merch.
It’s a love letter to a living legend.
Mars Potato Jones — Grown in Kansas. Made for the world.
More details
- 80% cotton, 20% recycled polyester
- Heather Gray is 70% cotton, 30% recycled polyester
- Oatmeal Heather is 60% cotton, 40% recycled polyester
- Midweight fabric (8.25 oz)
- 100% cotton face
- Regular fit
- Double-needle topstitch on all seams
- 1 × 1 ribbing at cuffs and waistband
- Twill neck tape
- Tear-away tag
- Under 5% shrinkage
EU GPSR Product Information:
- Manufacturer contact information
- Name: The Mars Project
- Email: the-mars-project-shop@support.fourthwall.com
- Postal address: PO Box 5696 Santa Monica, CA 90405
- Additional information: This product is made for adults. 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.
Mars Potato Jones Crewneck Size Guide
| Size label | Length | Chest |
|---|---|---|
|
S
|
27
|
32.99
|
|
M
|
28
|
371
|
|
L
|
29
|
40.98
|
|
XL
|
30
|
442
|
|
2XL
|
31
|
471
|
|
3XL
|
32
|
50
|