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We're in business to build a more sustainable world by bringing environmental science into your life in creative ways.

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Waterlust is the best!

Great products, great customer service, great mission! Worth every penny.

- Michelle Rumbaut, TX

WOMEN'S Whale Shark Warrior Sun Shirt

Educational resources & donation included with every purchase. Learn more.

Our sun shirts allow you to spend hours outside in the sun without overheating or cooking your largest organ in UV radiation. Lightweight, airy, stylish, and fun, sun protection as rad as you!

Characteristic spots and stripes adorn the largest fish in the sea forming an intricate pattern, like a warrior painted for battle. Scientists use these distinctive markings to identify individual whale sharks. Like a fingerprint, each is as unique and special as the last.

    1. Ultra lightweight and breathable
    2. Certified UPF 50+, blocking >98% of the fireball’s harmful rays
    3. Ergonomic hood that stays put in the wind, featuring a ponytail slot for your hair
    4. Streamlined thumbholes to protect your hands from the sun
    5. 100% fade proof, chlorine, sun, salt water, and sunscreen resistant
    6. Fabric mechanically engineered for quick dry, moisture wicking and breathability
    7. Tag-less for comfort
  • Made from recycled materials and knitted into an ultra fine, lightweight fabric, think of it as the working persons stretchy silk. So silky smooth and cool to the touch, your skin literally gets goosebumps when you put it on, but stays shielded from the sun all day on the water. You can stand in an asphalt parking lot on a hot, humid, sunny day in Miami in July at noon and still feel cool. Yep, our test team tested it…reluctantly.

    91% Repreve® RPET (recycled polyester made from post-consumer plastic bottles), 9% spandex

UPF 50+ Sun Protection (Max Rating Achievable)

100% Fade-Proof From Chlorine, Sun & Saltwater

Anti-Microbial = Smell-Resistant

Fibers Mechanically Engineered For Quick-Dry & Moisture-Wicking

Made From Recycled Materials

Waterlust in the wild

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Advocate Apparel Inspired by the largest fish in the sea, the whale shark (Rhincodon typus)

Whale sharks (Rhincodon typus) are fish, not whales - allowing them to hold the esteemed title of "largest fish in the sea" (since sharks are fish too!). These charismatic creatures can reach lengths of 12 meters (40 feet) or more! Despite their large size, they feed on some of the smallest organisms in the sea, plankton. Hanging vertically in the water column they're able to suction feed and filter these tiny organisms through their gill rakers much like a giant vacuum cleaner pulls dust and dirt from a kitchen floor, filtering the fragments into its chamber within.

Unfortunately, approximately 100 million sharks are killed every year by humans, through direct targeted fishing efforts as well as unintended bycatch from other fisheries. The whale shark is one species of shark that is particularly vulnerable to this commercial fishing due to their high value in international trade, in addition to their highly migratory nature and normally low abundance. Research into the lives of these gentle giants can help us to manage their populations and keep these magnificent fish in the ocean where they belong.

5% of sales from your purchase of this product are donated to the Marine Megafauna Foundation

“Waterlust's support provides critical seed funding for us to rapidly develop and implement whale shark conservation projects in areas where this globally-endangered species is most at risk. This includes Mozambique, where our research and awareness work helped the government decide to fully protect whale sharks just a few weeks ago. We love working with a company that is so committed to making a positive change in the world.”

Dr. Simon Pierce, Co-Founder / Principal Scientist

the Marine Megafauna Foundation

Customer Reviews

Based on 53 reviews
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Danielle Meenan Heaney (New York, NY, US)
In love!

I absolutely love this shirt! It fits well, is so comfortable, and the beautiful pattern makes my baby marine scientist heart happy. I cannot wait to get it in the water during my next dive! Rest assured, this will certainly not be my only piece from waterlust. I’m already eyeing my next purchase!

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Allie Bachhuber (Santa Rosa, CA, US)

WOMEN'S Whale Shark Warrior Sun Shirt

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Jenny Chung (Dallas, TX, US)
Ready for Liveaboard!

Bought the Whaleshark Sun Shirt for upcoming dive trip on a liveaboard. The material is super soft, stretchy, and very high quality. Love the thumbholes and hoody w/ ponytail hole. For reference I am 5 Ft short, 128lbs, athletic built and the S (Strong), fits perfect, not too tight, and not baggy. I plan to wear it while diving, with the matching Whale Shark leggings. The sun shirt will also be versatile and comfy enough to wear on the plane, on hikes, out to dinner, and just about anywhere else! Looking forward to wearing other Waterlust Designs! So happy to have found you guys!

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Christine McDougall (Sydney, NSW, AU)
Beautiful and functional

Everything from Waterlust is beautifully made, wonderful to wear and incredibly functional.

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Lindsey Hale (Lawrenceville, GA, US)
So Perfect

honestly I love it so much. fits great, nice material, doesn't bunch weird, dries fast

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Julie St John (Tucson, AZ, US)
Love it!

You guys are SO SAVVY about figuring out sizes… it fits perfectly and am excited to wear it during my time in Baja California (and beyond)… I will ALWAYS return to Waterlust for my swimming needs!

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