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

Tiger Shark Trailblazer Boardshorts

Size Guide
Size Guide for Boardshorts

Go with your usual size, these fit true to size.

Don't know your size? Measure where you like your pants to sit at your waist, in inches. Subtract 2 inches from this measurement to determine your numeric size.

Numeric Size Waist Circumference (Inches) Inseam (Inches) Outseam (Inches)
29 31" 8" 19"
31 33" 8" 19"
33 35" 8" 19"
35 37" 8" 19"
37 39" 8" 19"
39 41" 8" 19"
Size Guide
Size Guide for Boardshorts

Go with your usual size, these fit true to size.

Don't know your size? Measure where you like your pants to sit at your waist, in inches. Subtract 2 inches from this measurement to determine your numeric size.

Numeric Size Waist Circumference (Inches) Inseam (Inches) Outseam (Inches)
29 31" 8" 19"
31 33" 8" 19"
33 35" 8" 19"
35 37" 8" 19"
37 39" 8" 19"
39 41" 8" 19"

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

Intimidating stripes cover one of the ocean’s largest apex predators. Sitting atop the marine food pyramid, tiger sharks play a significant role in balancing the tropical and temperate water ecosystem, which is why we celebrate their beauty and support research that informs management of their population.

    • Light weight, durable, 2 way stretch for optimal comfort, movement, and shape retention
    • Self-draining, self-stowing (packs down into itself for travel) side pocket with corrosion resistant zipper and key loop
    • Durable button fly for long lasting comfort
    • Paracord tie at waist is rot, mildew, and abrasion resistant, and has a tensile strength >200 lbs
    • 100% chlorine, sun, saltwater and sunscreen resistant
    • UPF 50+ sun protection (max rating achievable)
    • No mesh liner
  • Main fabric: 88% Repreve® RPET (recycled polyester made from post-consumer plastic bottles), 12% spandex

    Eyelets: brass

    Tie: high tensile strength nylon paracord

    Zipper: polyacetal resin (tough, high strength thermoplastic)

    Button: polyacetal resin (tough, high strength thermoplastic)

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

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 tiger sharks (Galeocerdo cuvier)

Tiger sharks are classified by the International Union for Conservation of Nature (IUCN) as “Near Threatened”, and thus, research, education and outreach is essential to ensuring healthy populations. As one of the ocean’s largest predators, these critical species sit at the top of the food chain, helping to regulate the delicate balance of populations of those beneath in the ecosystem. Decreased populations can result in trophic cascades, impacting the abundance and behavior of other species lower on the food chain.

Multiple research methods have shown that some species of sharks have declined in population by 90% or more during the last several decades in areas where they were formerly abundant. These declines are due to direct targeting in commercial fisheries, mostly for their fins and sometimes meat. Additionally, sharks are often caught unintentionally as bycatch in many other fisheries, caught and killed in some recreational fisheries (unlike catch and release), and may also be impacted by humans more indirectly through threats like habitat loss, pollution, and human-driven declines in the fish species sharks rely on for food.

10% of profits from your purchase of this product are donated to the Shark Research and Conservation Program at the University of Miami

"We are so proud of our collaboration with Waterlust. Not only does their support help enable our shark conservation research, but the apparel itself is a walking billboard for marine conservation. I love it when people on the street stop to ask me about my tiger shark board shorts. It's an opportunity to start a conversation about the wonders and perils faced by sharks and how the average person can help make a difference.”

Neil Hammerschlag, Ph.D.

the Shark Research and Conservation Program at the University of Miami

Customer Reviews

Based on 15 reviews
73%
(11)
20%
(3)
7%
(1)
0%
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0%
(0)
G
Gloria Kennedy (Littleton, CO, US)
G-kid lives the Tiger Shark boardshort!

I am glad to be able to share ocean info with him

A
April Johnston (Kailua-Kona, HI, US)
Fantastic quality

We are big fans of Waterlust products. Living in Hawaii, and being hard core divers and swimmers, we put our swimwear through serious testing! The color has held up great in all my Waterlust products. I got these board shorts for my husband. The quality is much higher than other very popular brands of board shorts! Because of the durability, they are worth the price!

M
Meike (Zurich, ZH, CH)
Amazing customer service

The shorts are awesome and the customer service is simply superb (I had a special case for exchanging into a smaller size and the support I received was outstanding).

S
S.R. (Spring Lake, NJ, US)
Crotch

I agree with someone else on here . They fit pretty good and like them but the front crotch are is like flat . There is no room , like they made for a women or something. Could also use a second pocket .

g
gavin grapes (Vancouver, BC, CA)

Tiger Shark Trailblazer Boardshorts

J
Jared D. (Waldorf, MD, US)
Comfortable

I got these the other day and tried them on, they fit great. I used them in the pool for the 1st time today and they still fit great while swimming. I’m looking forward to using the them diving over the next few months.

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