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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

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

B Corporation Certified Logo

Waterlust is the best!

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

- Michelle Rumbaut, TX

Whale Shark Warrior Cropped Rashguard

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Waterlust Size Chest (inches) Waist (inches)
[XS] Extra Strong 29.5 - 33.5 22.5 - 26.5
[S] Strong 30.5 - 37 24.5 - 30
[M] Mighty 34 - 40.5 28 - 33.5
[L] Legendary 37 - 43 31 - 36
[XL] Extra Legendary 39.5 - 45.5 33.5 - 38.5
[2XL] Extra Extra Legendary 42.5 - 50 36.5 - 43
[3XL] Extra Extra Extra Legendary 47 - 53 41 - 46

We guarantee you will love your Waterlust purchase or your money back! If you receive one of our products and are not pleased with it for any reason, we would be happy to take it back in its original form for a full refund or exchange within 60 days of purchase.

No restocking fees and free return shipping both ways for orders within the United States. International orders just need to pay return shipping, if exchanging we'll cover the cost to ship the new item back to you.

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

Our rashguards are built with the same signature fabric as our leggings and are designed to keep you equally protected from stinging ocean critters and the fireball in the sky. Perfect for diving, surfing, or wherever your adventures take 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. Raglan cut sleeves for great range of shoulder movement
    2. Streamlined thumbholes to protect your hands from the sun
    3. Fibers mechanically engineered for quick dry, moisture wicking and breathability
    4. Resilient 4-way stretch and recovery for shape retention in and out of the water
    5. 100% chlorine, sun, saltwater and sunscreen resistant
    6. UPF 50+ sun protection (max rating achievable)
    7. No shelf bra or padding. For more support, we suggest wearing a bikini top underneath
  • Our signature fabric is sleek, soft, and luxurious, while strong, substantial, and resilient. It’s got a gummy, supportive, and smoothing stretchiness you’ll love, comfortably hugging you in all the right places.

    88% Repreve® RPET (recycled polyester made from post-consumer plastic bottles), 12% 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

Tag us @waterlust to be featured

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 9 reviews
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R
Rudi Starek (Kansas City, MO, US)
Just what I needed!

This rash guard is amazing. I love the pattern and that even though it’s a thick material, I don’t get too warm when outside in the sun on a hot day. The neck fits a little odd and felt barely too tight, but it might be my body type. At least it keeps most of my neck from seeing the sun!

m
m.w. (Somesville, ME, US)
Amazing!

I love this! I’m a camp counselor, so I’m in and out of the water all day. I don’t have to worry about SPF, and my campers love my “shark shirt”!

E
Elizabeth Rosenberg (Takoma Park, MD, US)
Pretty and protective!

I originally got this cropped rash guard because the full-length rash guard was sold out - and now I'm so glad I did! It's great sun protection along with the cuteness of a crop top. It only leaves a little band of exposed skin with the matching shorts I bought and it goes really well over the matching swim "top." And it dries so quickly in the sun after you're finished wearing it!

E
Elizabeth Rosenberg (Takoma Park, MD, US)
Great for swimming and sun protection

I originally got this cropped rash guard because the full-length rash guard was sold out - and now I'm so glad I did! It's great sun protection along with the cuteness of a crop top. It only leaves a little band of exposed skin with the matching shorts I bought and it goes really well over the matching swim "top." And it dries so quickly in the sun after you're finished wearing it!

B
Brittany Swaim (Los Angeles, CA, US)
Comfortable and Perfect Sun Coverage

I got the Whale Shark cropped rashgaurd. It’s very comfortable. Like the feel of the fabric is nice as well. I love the print, and let’s be honest a lot of them looked good so it was hard to choose.
I like that it has the thumb holes to keep the sleeves from riding up, the only issue, and it was really my own failing is it leaves your fingers uncovered so keep up the sunblocking or you will get a goofy tan on your hands like I did. Lol.

D
Darian Nickel (Hamburg, HH, DE)
Perfect fit

I got two cropped rash guards, but this is my favorite print, so here goes:
It still fits me, even though it's meant for women and I'm a "testosterone-shaped" person (non-binary). I do not have breasts, but there is no gap where they would be, it just hugs my pecs and that feels very nice.
My go-to is to combine this with leggings for maximum sun protection, while still looking cute (and rocking multiple combinations). I'm okay with using extra sunscreen for my stomach and lower back:)

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    Pay a small fee now for free returns later.

    We don’t offer free shipping on returns or exchanges for a reason. Transporting items in planes, trains, ships, and trucks is one of the biggest environmental costs of our business, and we think it’s important that our policies reflect that. We offer two options: 1) pay up front and you can send your order back to us within 60 days at no extra cost or 2) wait until you receive your order and pay our $9.95 flat-rate return postage fee if you decide to send something back later on.