Red Swim Trunks – Bermies

5” INSEAM SWIM TRUNKS

$54.99 $43.99

color-changing fabric. temperature activated. classic length.

standard shipping from $10 — free over $100:
in the us

free returns & exchanges with redo:
in the us

payment:
pay in interest-free installments with klarna

UPF 50+

Quick-Dry

4-way Stretch

Recycled

Sizing

Model is 6'0" tall and wears size M. The swim trunk sits approximately 5.7 inches above his knee.
If you’re between sizes or prefer a more relaxed fit, we recommend sizing up.

Inseam 5.5” + Color-Changing Lightweight Liner

Our most playful swim trunk, featuring a water-reactive color-changing fabric that transforms when wet. The Classic Color Changing Swim Trunks combine standout style with lightweight comfort, moving effortlessly from beach to pool and everywhere in between.

Ideal for:
Beach days, pool parties, travel, summer adventures, and making a splash wherever you go.

Style:
Bold, modern, and fun. A clean, classic silhouette paired with innovative color-shift technology that adds excitement without sacrificing versatility.

Features:
Designed with a lightweight, breathable mesh liner for airflow and comfort. Paired with quick-dry, 4-way stretch fabric and color-reactive technology that activates with water for a bold visual effect.

Fabric:
Made from 90% recycled polyester and 10% spandex, delivering breathable comfort, flexibility, and easy movement. Finished with nano-coating water-repellent technology for quick-dry performance, durability, and a smooth feel, ready for long days in and out of the water.

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.

Built for comfort. Designed to surprise.
Every detail of our Color Changing swim trunks is thoughtfully designed to move with you in and out of the water, combining innovative design, performance features, and all-day comfort.

-Water-reactive color-changing fabric that transforms when wet
-Lightweight 4-way stretch mesh liner for breathable, all-day comfort
-Nano-coating water repellent technology for quick dry
-UPF 50+ protection to shield you from the sun
-Sweat-wicking & anti-odor performance
-Back pocket with key loop for added convenience
-90% Recycled polyester
-10% Spandex for durability, flexibility, and a soft feel

Complete the Look

Sale

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Red

SEE BERMIES IN THE REAL WORLD

Real people wearing Bermies

This is what they say about Bermies…

Real stories from people who live in their Bermies.

Most swim trunks cause rashes.
ours don’t.

TYPICAL SWIM TRUNKS

Rough, stiff mesh liners that itch.
Cheap Fabrics that cause chafing.
Stay wet and are uncomfortable for hours.

BERMIES

Built-In Compression Liner. No Mesh.
Premium fabrics that prevent chafing.
Dries fast so you stay comfortable all day.

+100,000 Happy Clients that loves bermies

Real stories, real comfort

CHOOSE YOUR LENGTH

The Short

4” Inseam

Maximum freedom of movement
Built for high-energy days
Lightweight, breathable, and fast-drying
Our shortest, most athletic fit

Ideal for:
Surf, running, high-intensity training

SHOP The Short

The classic

5.5” Inseam

Our best-selling fit
The perfect balance of comfort and style
Versatile and easy to wear
A timeless everyday essential

Ideal for:
Beach days, city wear, casual plans

SHOP The classic

The Designer

6” Inseam

Clean, modern silhouette
Refined mid-thigh fit
Elevated look with everyday comfort
Designed for a more polished style

Ideal for: 
Beach plans, pool parties, vacation wear

SHOP The Designer

The Long

7” Inseam

Relaxed coverage
More structured, refined feel
Comfortable for all-day wear
Effortless, laid-back style

Ideal for:
Urban strolls, golf, relaxed days

SHOP The Long

The Boardshort

8” Inseam

Built for the water
Performance-driven design
Extended coverage and protection
Ideal for long sessions

Ideal for:
Surfing, prolonged water sports

SHOP The Boardshort

Frequently asked questions

How long does it take for my product to arrive?

Typically orders are processed within 24 hours and shipped soon after. For standard shipping, expect your product to arrive within 5-7 business days. Expedited shipping options are also available.

Do you offer international shipping?

Yes. Please note that for international orders Bermies covers the costs of shipping only for orders above 150USD. Orders are shipped with DHL eCommerce International Packet Plus , takes between 4 – 10 business days and are subject to import duties/VAT of which Bermies is not responsible for. If you would like a faster shipping service we offer 3 – 5 business days at an additional charge.

How can I track my order?

After an order is shipped you will be emailed a tracking number as provided by the shipping carrier , so you can keep up with your delivery. Please allow at least 12 hours for the DHL eCommerce website to update itself before tracking your package.

Can I return the product if it doesn’t fit?

Yes! If one of our products doesn't fit, we've got you covered. We accept exchanges, store credit, or refunds within 28 days of delivery for all unwashed/unworn items.

We offer Redo return protection at checkout for just $2.18. If you add it to your order, returns and exchanges are completely free. If you didn't add Redo, no worries, you can still return your item, but the return shipping cost will be deducted from your refund.

Please note that Redo is available for US orders only.

Free Shipping

Experience the convenience of freestandard shipping on all orders over$100 in the US. Elevate your shoppingsatisfaction with our shipping policy.

Money Back Guarantee

Experience peace of mind with our 28-day return policy. Your satisfaction is our priority, and we're committed to making the return process simple and hassle-free.

Secured Payments

Our secured payment system prioritizesyour financial safety. Enjoy worry-freetransactions as you explore ourproducts.

Customer Service

Reach out to We have a customer service team ready to assist you with all your questions. info@bermies.com, and we will get back to you within one business
day or sooner!

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BEST SELLERS

Red

standard shipping from $10 — free over $100:

free returns & exchanges with redo:

payment: