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

Invasive Lionfish Reversible Top

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

Known for their show stopping appearance, venomous spines, and voracious appetites, invasive Indo-Pacific lionfish (Pterois volitans & Pterois miles) are the first non-native marine fish to become established in the Atlantic. Lionfish pose a significant threat to local marine ecosystems due to widespread predation of native species, prolific reproduction, and lack of controlling predators.

    1. Seamless, reversible design for versatility and comfort
    2. Mid level support- wear for diving, yoga, swimming, lifting, surfing, etc.
    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. Tear away tag
  • 88% Repreve® RPET (recycled polyester), 12% spandex, giving post-consumer plastic bottles a positive future.

    To learn more about this product's environmental impact, click here.

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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Fast, free shipping

We ship orders same or next business day. Free priority shipping on all U.S. orders over $150, free express international shipping over $300.

Packaged responsibly

We lovingly prepare each one of our orders for its journey to you using the best packaging materials we can find with the least environmental impact.

Free returns + exchanges

Free within the U.S. International orders must pay return postage. Exchanges orders can be placed immediately with an instant credit.

Happiness Guaranteed

We stand behind every product we make. If you have a problem, we will solve it with the relentless determination of a salmon swimming upstream to spawn.

Advocate Apparel Inspired by the Indo-Pacific lionfish (Pterois volitans & Pterois miles)

Lionfish in their native range, from the South Pacific to the Red Sea, are an important part of the coral reef ecosystem and population numbers are kept in check through natural processes.

However, they are non-native to the Atlantic ocean and have become established as a harmful invasive species in this region, posing a significant threat to local marine ecosystems due to widespread predation on native species, prolific reproduction, and lack of controlling predators. Humans must intervene to reduce their impact in the invaded waters, and our Invasive Lionfish collection exists to promote action and awareness on this issue.

Beginning in the 1980s, two visually identical species of lionfish (Pterois miles and Pterois volitans) were introduced into the Atlantic via the US aquarium trade and have become the first non-native marine fish to become established in the Atlantic. Over the past decade, invasive lionfish densities in these non-native areas have exploded, as they have been documented along the entire US East Coast from Florida through Massachusetts, east to Bermuda, and south throughout the Caribbean. The expansion has been extremely rapid and exponential in scope.

10% of profits from your purchase of this product are donated to Reef Environmental Education Foundation (REEF)

“REEF’s partnership with Waterlust embodies our mission to protect biodiversity and ocean life by engaging and inspiring the public. We are proud to be part of Waterlust’s advocate apparel family, and are excited to continue working together to advance awareness and understanding of invasive lionfish and other marine conservation initiatives.”

Dr. Alli Candelmo, Conservation Science Manager

Reef Environmental Education Foundation (REEF)

Customer Reviews

Based on 16 reviews
63%
(10)
25%
(4)
13%
(2)
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B
Barb Koos (Salem, OR, US)
Comfortable, but….

It’s always difficult for me to find swim tops that fit, due to HH cup size, but 35” band size. This top is no different 😩 It’s extremely comfortable - could hardly tell I was wearing it - much more comfortable than a bra - and I love that the fabric is doubled! However, the top slides right up over my chest when I raise my arms, while just barely providing adequate chest coverage. I had to keep checking all day that my swim top was pulled down covering my chest (was wearing the swim top under a thin sun shirt) to make sure that I wasn’t “exposing” myself to anyone. An XL would have provided more chest coverage, but would have slid up even easier, so…. What to do?🤷🏼

K
Katelyn Smith (Crestview, FL, US)
I love it

super comfy for paddle boarding! 🌊 ✨👌🏼

L
Lorrie Barrett (Manorville, NY, US)

Thank you much better fit

M
Madison Baldini (Indianapolis, IN, US)
AMAZING

I love the fit of the top. It's perfectly compressive but not too tight. Plus the color and pattern is spectacular.

K
Kit Champlain (Fairbury, IL, US)
Great feel and color, but a bit tight

It looks and feels really nice but it was a bit tight on me. I wear a 36 C and the sizing chart said I should get a L/XL as I was just barely in that range. I can put it on but I takes a lot of effort so I would recommend buying a size bigger than the sizing chart.

S
Sharon Minda (Bahama, NC, US)
Not great for DD

I like the idea of supporting this company and am always on the lookout for good sport bras/ swim tops. This one falls a little short for someone with large breasts as it just creates the uniboob If I had bought a larger size I don’t think it would provide any support and support is minimal. For reference I bought the XL and I wear a 38DD in most bras

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