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Custom Swim Trunks: Design & Sell Your Own

fourthwall branded swim trunks
5
(1+ seller reviews)
Design and sell custom swim trunks starting at $28.95 with no minimum. Fourthwall prints all-over designs on quick-dry swim shorts and ships directly to customers. Mesh liner with elastic waistband. No inventory required, and you keep 100% of your markup.
Premium quality. Fast shipping. No minimums.
fourthwall branded swim trunks
Boxes and a package showing that you can ship product using different methods through Fourthwall
Fast worldwide shipping. Most items arrive in 5-8 days.
High quality hoodie with Fourthwall branding
Design your own premium quality swim trunks
A design being printed onto a Fourthwall branded shirt, showing you can customize it
Choose from multiple styles like printing or embroidery.
An image of your custom styles on a website
Create a custom storefront for your brand
Choose from our bestselling swim shorts
Find your favorite pair of trunks, upload your designs, and start selling
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What Are Custom Swim Trunks?

Custom swim trunks are personalized men's swimwear featuring all-over printed designs. Made from quick-drying polyester with mesh lining. Sublimation printing allows full-coverage patterns and graphics. Popular summer merchandise for beach, pool, and vacation-themed content.

Make your swim shorts with our custom swim trunk maker:

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Professional Mockups & Photography

Fourthwall's product rendering technology allows you to see photorealistic renders of each your designs. Choose between flat lay photography (the products laid out on their own) or professional model photography. We give you all the tools you need to design swim trunks and launch your clothing line.
Create and sell your own custom swim trunks in 3 steps
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1. Design Your Swim Trunk

Find the right swim trunk for your community in the Fourthwall catalog and upload your swim short design.

Choose your preferred manufacturing technique — from direct-to-garment (DTG) to direct-to-film (DTFx) to embroidery to screen-printing.
Browse all swim trunks →
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2. Order Samples
Fourthwall automatically generates professional-grade mockups of your products.

When you're ready, you can order samples of your custom swim trunk to be sure you're selling something that you're proud of to your community.
Learn more →
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3. Promote & Sell
Fourthwall's all-in-one platform allows you to create a professional ecommerce shop, no coding required. Use our drag and drop tools to build a site that is uniquely yours.

Then promote to your audience online to get your first sales!
Make your first sales →

Popular Uses for Custom

Beachwear Brands Selling Summer Swimwear

Beachwear brands sell custom swim trunks with bold patterns, brand logos, and coastal designs. Customers buy summer swimwear for beach vacations, pool parties, and tropical getaways. Print-on-demand swim trunks let you sell seasonal swimwear without managing inventory across waist sizes or storing beach apparel during off-season months.

Swim Teams Selling Practice Swimwear

Swim teams and water polo clubs sell custom swim trunks with team colors and logos for practice sessions. Athletes buy team-branded swimwear for training laps, water workouts, and casual team representation. Offer team swimwear without bulk ordering before knowing which members need new trunks or managing sizing for growing athletes.

Resort Hotels Selling Guest Merchandise

Beach resorts and tropical hotels sell custom swim trunks as premium guest merchandise. Travelers buy resort-branded swimwear as luxury vacation souvenirs. Sell hotel merchandise without maintaining swimwear inventory in guest shops or predicting which trunk styles and sizes tourists prefer during their stays.

Surf Instructors Selling Beach Apparel

Surf schools and ocean instructors sell custom swim trunks with surf branding and wave designs. Students buy instructor-branded swimwear for surf lessons and beach activities. Offer surf merchandise without stocking swim trunk inventory between lesson seasons or managing sizes for students who only take occasional lessons.

Fully-customizable storefronts, 100% owned by you

Easily customize your design, layout, and domain to create a brand that’s as unique as you are.
Why sell swim trunks on Fourthwall?
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Quality Made Easy

Choose from hundreds of high-quality products you can design and sell instantly. Whether you want to sell premium made-to-order products with print-on-demand (POD) or do a limited run drop with screen-printing or "cut and sew", Fourthwall has you covered with the best quality.

There are no upfront costs, and no inventory is required. You set your prices and choose your margins. Additionally, you can use Fourthwall to ship any products that you've made on your own.
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Custom Storefront Builder

It's your community — your brand should be front and center. Fourthwall give full control of your online store with a no-code custom website builder. Highlight your socials, showcase recent content, and launch a beautiful shop that is as unique as you are.
Learn more
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Fast, Reliable Shipping

Fourthwall works with manufacturing & fulfillment partners in the US, UK, EU, AUS, and Asia to offer fast production and fulfillment times around the world.

We’ve also partnered with the world’s top shipping companies, from UPS to DHL and more. That means you can offer your customers fast, reliable, and low-cost shipping around the globe. Shipping rates are calculated dynamically, and we pass through the true cost of shipping. Most items have a delivery window of 7-10 days.
Learn more
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We've Got Your Back

From handling customer support for orders placed on your shop from the Fourthwall catalog to helping you chart a path to reach your e-commerce goals, Fourthwall is your partner at every step of the way.
Learn More

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Frequently asked questions

How can I start selling swim trunks online?

Selling custom swim trunks online is easy with platforms like Fourthwall. Here’s how to get started:

  1. Select Your Products: Choose custom swim trunks from Fourthwall’s catalog, made with a high-quality fabric blend of 91% recycled polyester and 9% spandex. These trunks are soft, silky, and quick-drying, making them ideal for summer wear and beach trips.
  2. Upload Your Designs: Use Fourthwall’s customization tool to upload your unique designs and personalize the swim trunks. Whether you want vibrant, all-over prints or subtle patterns, you can fully customize the design on the trunks, making them stand out on the beach.
  3. Build Your Online Store: Set up your online store with ease using Fourthwall’s no-code platform. Showcase your custom swim trunks in a stylish, user-friendly online shop, and start offering them for sale in various sizes (L, M, etc.).
  4. Promote and Sell: Start promoting your custom swim trunks to your audience through social media, email marketing, and other channels. Highlight the benefits of your trunks, such as their eco-friendly fabric, breathable material, and quick-drying properties.

With Fourthwall’s print-on-demand service, you don’t need to worry about inventory or bulk orders. The platform handles production, fulfillment, and shipping from both the EU and the US, making it easy to sell your custom swim trunks globally.

Plus, Fourhtwall's professional mockup generator ensures your designs look perfect before going live.

What type of printing does Fourthwall offer on custom swimwear?

Fourthwall offers all-over print on custom swimwear, ensuring vibrant and fully customizable designs that cover the entire garment. Whether you're creating swim shorts, bikinis, or one-piece swimsuits, you can use this printing technique to add unique artwork, logos, or patterns to your swimwear.

For example, you can design all-over printed beach shorts and bikinis with your custom graphics, including options like recycled fabric swimwear for eco-friendly designs. The sublimation printing process used on these garments ensures that your designs are vivid, durable, and long-lasting, even after repeated machine washes.

Additionally, there are no minimum orders required for custom swimwear, and all items are made from poly fabric or recycled materials, providing a sustainable and breathable solution for your swimwear line. Whether you’re designing for fashion, a personal brand, or promotional purposes, Fourthwall’s all-over print option gives you the freedom to create high-quality custom swimwear that stands out on the beach or at the pool.

What's the best website for making custom swim trunks? 

If you're looking to create and sell custom-designed swim trunks, Fourthwall is the best website for the job. It stands out as the top choice for building your brand online with features like:

  • High-Quality Products: Ensure your custom-designed swim trunks reflect your brand’s standards.
  • Drag & Drop Designs: Easily create your products without needing advanced design skills.
  • No-Code E-commerce Site Builder: Set up your online store effortlessly, even without technical knowledge.

Fourthwall offers an all-in-one solution for selling custom swim shorts, complete with white label options and print-on-demand services. You can upload your logo, create unique designs, and start selling without the need for multiple tools or handling customer support.

If you're curious about options, popular ones include:

  • Printful (usually with Shopify)
  • Printify (usually with Shopify)
  • Spreadshop (Spreadshirt)
  • Sellfy
  • Redbubble 
Can I sell other print-on-demand items with Fourthwall?

Absolutely! Fourthwall's product designer tool and extensive catalog allow you to design and sell a wide range of custom print-on-demand products, including custom swim trunks, online.

Here’s what you can create:

  • Apparel: Shirts, Hoodies, etc.
  • Accessories: Hats, Mugs, Tote Bags, etc.
  • Home & Living: Posters, Prints, etc.

With Fourthwall's all-in-one e-commerce platform, you can design your products, build your website, and start selling—all from one place. Plus, Fourthwall takes care of customer support, taxes, and logistics, so you can focus on creating.

How much does it cost to make custom swim trunks on Fourthwall?

Creating your own swim trunks on Fourthwall is cost-effective and straightforward. There are no monthly fees, no upfront costs, and no contracts! You have the flexibility to set your own margins.

Here’s how pricing and splits work for custom items in our catalog:

  • The cost of your items from the product catalog is deducted from the selling price you set, which you can easily monitor during the design process. There are no additional percentages or margins, meaning you keep the entire profit.
  • Additionally, all US-based transactions incur a payment processing fee of 2.9% + $0.30 (same as Shopify).

For more details about pricing and the various options available, check out our pricing page.

Does Fourthwall integrate with YouTube for selling swim trunks?

Yes, Fourthwall has native YouTube Merch Shelf integration. Your products appear directly below your videos for viewers to browse and purchase.

See our YouTube Merch Shelf setup guide for requirements and instructions.

Does Fourthwall offer Twitch integration for selling merch?

Yes, Fourthwall is the only platform with Twitch Gifting. Viewers can gift your merch to other viewers during live streams via random giveaway. The FourthwallHQ bot announces gifts in chat, and viewers type !enter to win.

Creators see up to 30% increases in sales with this feature enabled.

How long does shipping take for swim trunks?

Swim Trunks delivery typically takes 7-10 days for US orders. Fourthwall has fulfillment partners in the US, UK, EU, Canada, Australia, and Japan.

Shipping costs are dynamically determined by package size and destination.

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