What you're actually getting
Soft, durable cotton tees that get better with age. Not another cheap polyester blend that dies in six months.
🌊 The Shirt That Gets You
Made from ultra-soft 100% ring-spun Softstyle cotton, because if you're going to move at manatee speed, you might as well be comfortable doing it. Lightweight, breathable, and true to size — with a tear-away label so nothing itches while you drift through your day. Printed, packaged, and shipped in the USA by people who also believe slow and steady is a lifestyle. (Sport Grey is a 90/10 cotton-poly blend — that's what makes it grey.)
| Size | Chest Width | Length | Sleeve |
|---|---|---|---|
| S | 18"45.7 | 28"71.1 | 16.75"42.5 |
| M | 20"50.8 | 29"73.7 | 17.88"45.4 |
| L | 22"55.9 | 30"76.2 | 19.13"48.6 |
| XL | 24"61.0 | 31"78.7 | 20.38"51.8 |
| 2XL | 26"66.0 | 32"81.3 | 21.63"54.9 |
| 3XL | 28"71.1 | 33"83.8 | 22.75"57.8 |
How to Not Ruin Your New Favorite Shirt:
Your Order Doesn't Drift.
Free shipping on orders over $75 — the Society takes care of its own.
Orders ship within 7 days, then USPS takes 2–5 days. You’ll get a tracking number so you can follow along obsessively or forget about it completely — we support both approaches.
Returns: The “Something Went Wrong” Policy
We want you to love your shirt. If it arrives damaged, defective, or just plain wrong, we’ll make it right — that’s on us.
No faceless corporation here. If something’s wrong, just reach out — calm waters, no drama.
Policy subject to change, but we’ll always keep it reasonable.
Soft, durable cotton tees that get better with age. Not another cheap polyester blend that dies in six months.
Say goodbye to scratchy, stiff shirts. Manatee Society tees are ultra-soft 100% ring-spun cotton — lightweight, breathable, and built to last. Gentle on you, easy to live in.
Whether you're drifting through a slow Sunday or letting the afternoon carry you like a gentle current, our tees are for people who've decided rushing is optional. Join the Society — the only membership requirement is slowing down.
Got a question or need help? We're actual humans, and we've got your back — like a trusted swim buddy. Email us anytime and a real person will get back to you.
Manatee Society is a US-based company. Our shirts are printed right here in the USA.
Yes! Once your order ships, you'll get a tracking email so you can follow your package's journey. It moves faster than we do.
Our tees run true to size in S–3XL, with a slightly trimmer cut than an old boxy tee — the full size chart is right on every product page. Between sizes? Size up. Still unsure? Email support@manateesociety.com and a real human will help you pick.
Ultra-soft 100% ring-spun Softstyle cotton (Sport Grey is a 90/10 cotton-poly blend). Lightweight, breathable, with a tear-away label — no itchy tags.