Custom Embroidered & Heavyweight Sweatshirt Manufacturer

As a specialist sweatshirt manufacturer, we create premium heavyweight sweatshirts for discerning brands. Partner with us for high-quality custom embroidered sweatshirts and wholesale collections.

Engineered for a Performance Advantage

Premium, Heavyweight Fabrics

Premium Heavyweight Fabric

We specialize in heavyweight cotton and fleece blends that offer a substantial, premium feel and exceptional durability.

Ideal for Detailed Branding

Expert Custom Embroidery

Our state-of-the-art embroidery machines create detailed, high-quality logos and designs that elevate your brand's perception.

Classic & Modern Silhouettes

Classic & Modern Silhouettes

From the timeless classic crewneck to on-trend oversized and boxy fits, we produce silhouettes your customers will love.

Durable Lasting Construction

Durable, Lasting Construction

Featuring details like ribbed side panels, reinforced seams, and durable neck taping for a garment that is built to last.

In-Depth Customization: Create Your Perfect Custom Sweatshirt

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 Sweatshirts 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 Sweatshirt Manufacturer for Wholesale & Custom

As a leading sweatshirt manufacturer, Sansansun specializes in producing premium quality garments. Our core expertise is in heavyweight sweatshirts, including the classic custom crewneck made from durable heavy cotton and French Terry. We are the go-to partner for custom embroidered sweatshirts, delivering intricate, high-quality branding for lifestyle and corporate apparel brands. We provide a complete solution for sourcing high-value sweatshirts. Our services include creating fully custom designs for your private label sweatshirts line, as well as offering wholesale sweatshirts and wholesale crewneck sweatshirts in bulk. Whether you need blank sweatshirts for your own printing or a fully finished embroidered product, we are the supplier committed to excellence.
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.