Just get it.
Obsessed with this design!

One molecule, rendered as the centerpiece it deserves to be — for the science enthusiast who sees structure where everyone else sees a random squiggle. Wear it to lab, to lecture, or just because bonds are cool.
Printed to order on a soft 100% organic ring-spun cotton tee that keeps its shape and holds the print crisp.
GOTS & OCS certified organic cotton, PETA-Approved Vegan, sewn by a Fair Wear Foundation member. We don't print it until you order it — no overstock, no waste — and it ships free, usually 7–11 days in the US. Full sourcing record on our Product Transparency page.
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| Size | Length | Width | Sleeve |
|---|---|---|---|
| S | 27 ⅛" | 19 ½" | 8 ⅜" |
| M | 28 ¾" | 21" | 9 ½" |
| L | 29 ½" | 22 ¼" | 9 ⅝" |
| XL | 30 ¼" | 23 ⅜" | 9 ⅞" |
| 2XL | 31 ⅛" | 25" | 10" |
| Size | Length | Width | Sleeve |
|---|---|---|---|
| S | 69 cm | 49.5 cm | 22.5 cm |
| M | 73 cm | 53.5 cm | 24 cm |
| L | 75 cm | 56.5 cm | 24.5 cm |
| XL | 77 cm | 59.5 cm | 25 cm |
| 2XL | 79 cm | 63.5 cm | 25.5 cm |
Length: Measure from high point of shoulder to bottom hem.
Width: Measure across chest, 1" below armhole, laying flat.
Sleeve: Measure from shoulder seam to sleeve end.
Fabric: 5.3 oz./yd² (180 g/m²) • EU sizing - consider ordering one size up
Just get it.
Obsessed with this design!
Pleasantly surprised!
Honestly, I was a bit skeptical about ordering a size up for a unisex tee, but the recommendation was spot on. The fabric feels really soft against the skin, and the molecular print is super crisp and unique.
Another great buy
This is actually my second tee from Design Delight, and they always deliver. Love how vibrant the colors are, and it washes really well without fading.
Perfect gift for my science buff friend!
I got this for my friend who's a huge molecular biology enthusiast, and she absolutely loved it! She's usually a US size M, so I ordered an L, and it fit her perfectly – not too snug, just a nice relaxed feel. The fact that it's organic and carbon-neutral was a huge bonus point for her, making it a thoughtful and sustainable present. The print detail on the atoms and bonds is really impressive too, looks awesome.
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Virtually try on our certified-substrate apparel — GOTS organic cotton, GRS recycled polyester, OEKO-TEX Standard 100 — to see the perfect fit before you buy.
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Quick Answer
This is a Stanley/Stella STTU169 100% GOTS-certified organic cotton t-shirt, 5.3 oz/yd² (180 g/m²), unisex fit, printed on demand by Printful with water-based vegan inks. Stanley/Stella holds the GOTS, GRS, OEKO-TEX, and PETA-Approved Vegan certifications across the substrate. 30-day returns, free worldwide shipping.