Custom Seamless & Ribbed Leggings Manufacturer

As a specialist seamless leggings manufacturer, we create on-trend high waisted seamless leggings and ribbed seamless tights. Partner with us for your private label collection of premium, body-contouring leggings.

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Seamless Leggings & Tights

The Ultimate Fusion of Comfort & Style

Second-Skin Comfort

Second-Skin Comfort

Our seamless knitting technology eliminates side seams, providing a smooth, chafe-free fit that feels like a second skin.

Integrated Compression Liner

Flattering Ribbed Texture

We specialize in ribbed seamless leggings, a popular style that offers a premium, textured look and enhances the body's natural contours.

On-Trend Cropped Silhouettes

Supportive High-Waisted

Featuring a wide, compressive high-waisted ribbed waistband that provides gentle tummy control and stays in place.

On-Trend Cropped Silhouettes

Body-Contouring & Sculpting

The unique knit structures of our seamless leggings are engineered to lift, sculpt, and support for a confident silhouette.

In-Depth Customization: Create Your Perfect Custom Seamless Leggings

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 Seamless Leggings & Tights 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 Seamless Leggings Manufacturer for Custom & Wholesale Orders

As a leading seamless leggings manufacturer, Sansansun excels in producing the most sought-after styles for modern activewear brands. Our specialty lies in creating technical high waisted seamless leggings and trendy seamless ribbed leggings. We utilize advanced knitting technology to produce body-contouring, comfortable ribbed seamless tights that offer a premium look and feel, making us a top choice for brands focused on quality.

We are the ideal partner for sourcing seamless apparel. Our services include creating fully custom seamless leggings for your private label line, as well as offering flexible wholesale seamless leggings programs. As an experienced seamless leggings factory with OEM seamless leggings capabilities, we are committed to delivering innovative designs and superior quality for your collection.
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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.