Hey, we're Waterlust
We're in business to build a more sustainable world by bringing environmental science into your life in creative ways.
★★★★★
Waterlust is the best!
Great products, great customer service, great mission! Worth every penny.
- Michelle Rumbaut, TX











Made in California from 100% ringspun organic cotton and screen printed using algae ink, providing a soft hand feel and excellent wash durability.
Tee is a light, blue/grey.
Global Organic Textile Standard (GOTS) Certified, the worldwide leading standard for organic textiles like cotton. GOTS certification ensures our cotton is pure and ethically sourced and is made without chemical pesticides, forced labor, child labor, or unfair wages.
1
Spirulina (a type of algae) is grown in California using sunlight, water and carbon dioxide from the air. Algae grow faster than terrestrial plants and are renewable. When algae grows it absorbs carbon dioxide and produces oxygen. Algae do not use traditional farmland, thus production does not displace food production.
2
The spirulina are grown to produce a blue colorant called phycocyanin, which is extracted and used as a natural food colorant. The remaining material is considered algae by-product, and is then used to make the bio-based black algae pigment on our tees!
3
The pigment is purified and milled to form a dispersion with similar characteristics to other traditional petroleum based pigments.
4
The pigment is used to create the first commercially available water based ink with bio-based pigments. The tees are manufactured and screen printed using this ink in California, where the algae are grown.
Do you have a list of your favorite sharks?! Because I do. Nad just in case you're not as familiar with sharks as I am, I have this handy shirt to use as a pointy-talkie to describe why the best shark is hammerhead shark, and why nurse sharks can be snuggled.
Shirt is soft and ink holds up well across years of wear and washing.
Sharky, sustainable, and so cute! This tee gets so many compliments. I wear it to sleep, to walk the dogs, to and from diving, and everywhere in between. It is soft and has a little stretch so it's uber comfy!
Shark ID Tee
I like the tshirt but it runs too small! I will need to send it back. The print isn’t as dark as shown. 😢
Shark ID Tee
I love the design on this shirt, as well as on the cephalopod shirt that I ordered. The color is nice, the art is not cartoony, and the fabric feels good. My only gripe is that the shirt was a little more tight than I was expecting. It's not distractingly tight, and the length of the shirt is appropriate, I'm just more partial to looser shirts that aren't too big to be pajama shirts. Other than that- great product and speedy delivery.
Purpose-Driven, Family-Run
Advocate for Marine Conservation
Donate to Research + Education
Eco-Responsible
Notify me when available
We will send you a notification as soon as this product is available again.
We don't share your email with anybody