- heat-reactive fabric. changes in water. built for play.
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standard shipping from $10 — free over $100:
in the us
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free returns & exchanges with redo:
in the us
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payment:
pay in interest-free installments with klarna
UPF 50+
Quick-Dry
4-way Stretch
Recycled
Sizing
If you’re between sizes, we recommend sizing up.
Watch the Magic Happen.
From dry to splash in seconds. Our Boys Color Changing Swim Trunks react to water, revealing bold new colors the moment the adventure begins. Made from recycled stretch fabric with a soft liner inside, they’re built for comfort, movement, and nonstop fun under the sun.
Ideal for:
Beach days, pool parties, vacations, water parks, and outdoor summer adventures.
Style:
Bright, playful, and full of surprise. A classic swim fit with a water-reactive twist kids love.
Features:
Water-reactive color-changing fabric with breathable inner liner for comfort and support. Quick-dry performance with built-in UPF 50+ protection for safe sun play.
Fabric:
Made from 90% recycled performance fabric with added stretch for flexibility, lightweight comfort, and quick-dry wear.
Visit our Returns and Exchanges Portal to fill out the return form with the required information, select the item you'd like to return, and generate the shipping label provided by RE:DO. If you added RE:DO coverage at checkout, you’ll enjoy a fast, hassle-free return or exchange experience. Simply print the label and drop off your package at your nearest USPS office. Once your request is submitted, we’ll begin processing it right away.
Made for splashes. Built for surprise.
-Water-reactive color-changing fabric
-90% recycled performance blend
-Soft, breathable inner liner
-Quick-dry fabric
-UPF 50+ sun protection
-Lightweight & flexible fit




