Swim Tank - Jelly Magic
Swim Tank - Jelly Magic
Swim Tank - Jelly Magic
Maliyah is 5'7" and wears a 2X
Model: Maliyah is 5'7" and wears a 2X
Swim Tank - Jelly Magic
Swim Tank - Jelly Magic

Swim Tank - Jelly Magic

Regular price$59.00
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Solids
Prints
Color: Jelly Magic
Size
Color
Sold Out - Notify When in Stock

Wear it with

Reveal an aquatic surprise with our water-activated fabric. When dry, black keeps its secrets hidden. But splash some water on it, and watch as gray jellies emerge.

How It Works

Our innovative color-changing technology responds to water contact. The moment moisture hits the fabric, the previously invisible jellyfish print transforms from black to gray. Once dry, the fabric returns to its sleek, all-black appearance—ready to surprise again and again.

The best companion for a swim? Our Swim Tank, providing sun protection, moisture wicking, and a perfect fit in the water and out. Our Swim Tank is made from recycled Bahia, so it’s super durable and moisture wicking, as well as a sun protectant. This way, it’ll keep up with you no matter what you do!

Sustainability note: We recycle 7 water bottles to make each tank

  • Regular fit
  • UPF 50
  • Quick drying, super durable, and supersoft
  • Heads up, this tank does not include built-in bra
  • 80% Recycled Polyester; 20% Spandex
  • OEKO-TEX®-certified
  • Inclusive sizing from XS-6X
For more details, check out our Fit Guide
  • Machine Wash Cold with like colors
  • Tumble Dry Low with like colors

All product life span is improved with hand wash and lay flat drying, but if you don’t have the ability or time, delicate wash in your washing machine is fine and low tumble in the dryer. This also extends the life of your prints.

High heat can damage the spandex and break it down or lose the retention quality.

For any technical fabrics, fabric softeners break down the performance properties. Stay away from added fabric softeners, in general.

For more details on things like our water activated, glow-in-the-dark prints, swim, Solarmesh, etc. please see our Wash & Care Guide. 

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Behind the Design

Jelly Magic

With Jelly Magic, we designed for that transformative moment when you slip beneath the surface and the world shifts. On land, it’s a sleek, uncompromising black — minimal and timeless. But the instant it hits the water, jellyfish emerge in a quiet, mesmerizing reveal. Inspired by bioluminescence and the hidden magic of the ocean, this water-activated print captures the duality we love at tomboyx: strong and fluid, bold and unexpected. It’s a reminder that sometimes the real magic only appears when you dive in.


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Designed in Seattle, WA Since 2013

tomboyx builds silky-soft and long-lasting premium underwear for all bodies. We're committed to designing inclusive and sustainable products that help our customers feel comfortable in their own skin.

tomboyx Fit Guide