Natural Intelligence Long-Sleeve Tee
Whether you’re a tech enthusiast, a science aficionado, or simply someone who appreciates a clever twist, this shirt is your canvas for self-expression.
Size chart can be found in the Description.
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We work hard to make our product photos as true to life as possible, but colors can sometimes look a little different in person due to computer screens, lighting, or printing.
This long-sleeve tee is a quiet statement for people who value the outdoors, thoughtful living, and designs that speak softly but clearly. The soft-but-substantial cotton has a vintage weight and a clean canvas that lets the green “Ni” and “Natural Intelligence” lettering sit center stage. Wear it on a slow morning walk, at a weekend workshop, or layered under a jacket for evenings around a fire. The classic fit and ribbed collar keep the silhouette familiar while the tubular knit and shoulder tape mean it wears well over time. It’s for those who prefer simple graphics and a message rooted in nature and curiosity — familiar, comfortable, and built to last.
PRODUCT FEATURES
.: Environmentally-friendly cotton for a vintage feel
.: Medium fabric (6.0 oz/yd² (203 g/m²))
.: Seamless design reduces fabric waste
.: Elastic ribbed collar retains shape
.: Ribbed cuffs
.: Stabilizing shoulder tape prevents stretching
.: Printed neck label
.: Classic fit with varied fiber composition for durability
FIBER COMPOSITION
.: Solid colors: 100% cotton
.: Ash: 99% Cotton, 1% Polyester
.: Sport Grey: 90% Cotton, 10% Polyester
CARE INSTRUCTIONS
✓ Turn wrong side out before washing
✓ Machine wash: cold (max 30°C or 90°F)
✓ Non-chlorine bleach: as needed
✓ Tumble dry: medium heat
❌ Do not iron
❌ Do not dry clean
SIZE GUIDE
| S | M | L | XL | 2XL | |
|---|---|---|---|---|---|
| Width, in | 17.99 | 20.00 | 22.01 | 23.98 | 25.98 |
| Length, in | 27.99 | 28.98 | 30.00 | 30.98 | 32.01 |
| Sleeve length, in | 25.00 | 25.51 | 25.98 | 26.50 | 27.01 |
| Size tolerance, in | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
7 reviews for Natural Intelligence Long-Sleeve Tee
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Reviewer
Great shirt. True to size.
Reviewer
Very nice. Haven’t worn yet, but am sure it will be fine.
Reviewer
This will make the perfect gift for my brother in law.
Reviewer
Love the fit and the feel!
Reviewer
The print gives it personality without looking cheesy.