Custom Workout Bodysuits & Activewear Onesies Manufacturer

As a specialist manufacturer of workout bodysuits, we create stylish and functional one-piece activewear. Partner with us for your private label line of modern gym onesies and bodysuits.

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Women's Activewear

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Women's Bodysuits

The Ultimate Streamlined Performance Piece

On-Trend Cropped Silhouettes

Secure "Tucked-In" Fit

Our workout bodysuits are engineered to stay perfectly in place, providing a secure, 'tucked-in' feel that moves with you.

On-Trend Cropped Silhouettes

Smooth, Uninterrupted Lines

The one-piece construction creates a sleek, streamlined silhouette that is both flattering and functional, with no bunching or adjusting needed.

Secure Stay-in-Place Fit

Versatile for Layering

The perfect base layer under shorts or joggers, or a standout statement piece on its own for dance, yoga, and gym workouts.

Performance for All Bodies

Performance Fabric

Crafted from four-way stretch, moisture-wicking fabrics with comfortable gussets and chafe-free seams.

In-Depth Customization: Create Your Perfect Custom Workout Bodysuit

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

Fabric & Materials

Fabric & Materials
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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 Women's Bodysuits 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 Workout Bodysuits & Gym Onesies

As a leading manufacturer of workout bodysuits, Sansansun specializes in creating technical, one-piece activewear. Our expertise covers a wide range of styles, from the functional gym bodysuit and workout onesie to the classic athletic leotard. We engineer every activewear bodysuit with performance fabrics and a secure, streamlined fit, making it the perfect one piece gym wear for yoga, dance, and fitness.

We are the ideal partner for brands looking to add this fashion-forward silhouette to their collection. We offer comprehensive private label services for creating custom workout bodysuits, alongside flexible wholesale programs. As a trusted supplier with OEM fitness bodysuits capabilities, we are committed to delivering the high-quality construction and perfect fit these technical garments require.
Your Premier Custom & Wholesale Yoga Pants Manufacturer

Your Advantage in the Conscious Activewear Market

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.