Mitochondria Heart T-shirt
Size Charts
inches
cm
Size | CHEST WIDTH | LENGTH |
S | 18 | 28 |
M | 20 | 29.3 |
L | 22 | 30.3 |
XL | 24 | 31.3 |
2XL | 26 | 32.5 |
3XL | 28 | 33.5 |

FREE WORLDWIDE SHIPPING on orders of 4+ shirts! No code needed 🌎
Size | CHEST WIDTH | LENGTH |
S | 18 | 28 |
M | 20 | 29.3 |
L | 22 | 30.3 |
XL | 24 | 31.3 |
2XL | 26 | 32.5 |
3XL | 28 | 33.5 |
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🧪 Gildan 64000 softstyle ®
🧪 Unisex classic fit
🧪 100% pre-shrunk ring-spun cotton
🧪 Made with OEKO-TEX certified low-impact dyes
🧪 Runs true to size
🧪 2 year warranty in EU and Northern Ireland as per Directive 1999/44/EC
GPSR EU representative: HONSON VENTURES LIMITED, gpsr@honsonventures.com, 3, Gnaftis House flat 102, Limassol, Mesa Geitonia, 4003, CY
- Science Inspired Apparel!
Follow these, and your t-shirts will keep their vibrant colors longer!
✅ Wash and Dry Inside Out
A simple step to help maintain the quality of your t-shirt.
✅ Use Low Temperatures & Gentle Detergents
High heat and harsh detergents can shorten your t-shirt's lifespan.
Machine wash: warm (max 40C or 105F). Do not bleach.
✅ Avoid Excessive Spinning
To much spinning can cause unnecessary wear and tear.
Tumble dry: low heat.
Iron, steam or dry: low heat.
Do not iron directly onto the design.
Do not dryclean.
🧪 Orders are typically shipped within 7 days of placing the order
🧪 Once shipped, allow 2-5 days for orders to be delivered
Note: Shipping rates are weight-based and may vary depending on the product.
Our goal at Scientist Apparel is that you love your order. Our science inspired gear is typically non-returnable, but our goal is for 100% satisfaction guarantee. Please reach out to us if something isn't right.
🧪 Incorrect, damaged or defective eligible for a full refund.
🧪 No refunds will be issued after 30 days from the purchase date.
Please contact us at support@scientistapparel.co if you believe you are eligible for a refund.
🧪 Received product damaged or defective
🧪 Within 30 days of purchase
🧪 MUST be unused and be returned in the same condition in which you received your item
You can always contact us for any return questions at support@scientistapparel.co
*This refund policy is subject to change at any time and without notice*