Custom Men's Swim Trunks & Board Shorts Manufacturer

As a specialist men’s swimwear manufacturer, we create high-quality custom swim trunks and board shorts for modern beachwear brands. Partner with us for private label and wholesale solutions featuring your unique prints.

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Men's Swimwear

Style, Comfort, and Durability for Sun & Surf

Color & Fabric Matching

Vibrant, Custom Printing

Utilizing advanced sublimation and digital printing for sharp, fade-resistant, all-over prints on your custom board shorts.

Quick-Dry & Performance

Quick-Dry & Performance

We use high-quality, quick-drying polyester and nylon fabrics with stretch for maximum comfort in and out of the water.

Salt & Chlorine Resistant

Salt & Chlorine Resistant

Constructed with durable stitching and materials that resist damage from saltwater and chlorine, ensuring a long product life.

Functional & Comfortable

Functional & Comfortable

Featuring comfortable mesh liners, secure drawstrings, and practical pockets for a superior wearing experience.

Our Best-Selling & Market-Proven Styles

Start with our most requested designs, fully customizable for your collection.

In-Depth Customization: Create Your Perfect Custom Swim Trunks

Your brand is unique, and your products should be too. Explore the possibilities below.

Fabric & Materials

Select from our extensive library of premium performance fabrics, or work with us to develop a custom material.
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Fit & Construction

Define the core structure of your sports garment, from the silhouette and fit to the seams and construction techniques.
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Features & Functionality

Incorporate functional elements that add value and meet your customers’ specific needs.
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Color & Finishing

Choose from a limitless color palette with Pantone® matching, and explore various finishes and treatments.
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Branding & Logos

Apply your brand identity with a range of high-quality techniques for a professional finish.
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Start Your Custom Men's Swimwear in 4 Simple Steps

Our streamlined process makes bringing your custom activewear line to life straightforward and efficient.
Inquiry & Consultation

Inquiry & Consultation

Design & Sampling

Design & Sampling

Bulk Production & QC

Bulk Production & QC

Shipping & Delivery

Shipping & Delivery

From Fabric to Final Sportwear Garment

We combine meticulous planning with advanced technology and strict quality control at every stage of production.

Your Premier Manufacturer for Custom Board Shorts & Wholesale Swim Trunks

As a leading swim shorts manufacturer, Sansansun specializes in producing high-quality men’s swimwear. Our core expertise lies in creating custom board shorts and custom swim trunks with vibrant, durable prints. We offer a range of styles and fits, making us the ideal partner for brands seeking premium, custom printed swim trunks that stand out.

We provide a complete solution for beach and swimwear brands. Our services include a full private label board shorts program for unique brand creations and flexible wholesale swim trunks options for bulk orders. As a trusted men’s swimwear supplier with a dedicated factory, we are committed to delivering exceptional quality for your next collection.
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Flexible MOQ & Sourcing

Flexible MOQ & Sourcing

From 30-piece wholesale orders for market testing to fully custom production runs, our flexible MOQ policy is designed to support your brand's growth.

Scale & Factory-Direct Pricing

Scale & Factory-Direct Pricing

Leverage our 600,000+ piece monthly capacity. Our scale and factory-direct model ensure you receive competitive pricing, maximizing your profit margins.

One-Stop Solution

One-Stop Solution

Go beyond manufacturing. Our solution includes precision strategic consulting and access to 800+ new annual styles for a faster, smarter launch.

Quality Guarantee

Quality Guarantee

Your products are backed by our rigorous multi-stage QC process, from incoming fabric inspection to a 100% final garment check.

Ready to Launch Your Next Best-Selling Collection?

Work with a partner who brings design, speed, and reliability together. We’ve helped 200+ growing brands launch faster, scale smarter, and win in their markets. You could be next.