Wholesale & Custom Kids' Athletic Tees Manufacturer

As a specialist manufacturer, we supply wholesale youth shirts for schools, teams, and brands. We are your direct source for bulk youth t shirts and private label performance tees.

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Kids' Activewear

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Kids' Athletic Tees

Durable, Comfortable & Ready for Your Brand

Performance-Ready Fabrics

Performance "Dri-Fit" Fabric

Our athletic tees are made with moisture-wicking, Dri-Fit style polyester to keep active kids cool and dry.

Durable Lasting Construction

Kid-Proof Durability

Engineered to be tough, with durable stitching and snag-resistant fabric that holds up to playtime and frequent washing.

Durable & Chlorine-Resistant

Certified Safe for Kids

All our fabrics are OEKO-TEX® certified, ensuring they are free from harmful substances and safe for children.

Color & Fabric Matching

Perfect Custom Printing

A smooth, consistent surface ideal for screen printing and heat transfer, perfect for team logos and event graphics.

Our Best-Selling & Market-Proven Styles

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

In-Depth Customization: Create Your Perfect Custom Kids' Tees

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 Kids' Athletic Tees 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 Supplier for Wholesale Youth Shirts & Custom Athletic Tees

As a leading manufacturer of kids’ apparel, Sansansun is a top supplier of wholesale youth shirts. We specialize in producing high-quality kids’ athletic tees, with a focus on performance fabrics like our Dri-Fit youth shirts. Our products are designed to be durable, comfortable, and safe for children, making them ideal for school uniforms, sports teams, and camps.

We are the ideal partner for organizations and brands needing to source children’s apparel in volume. We offer flexible programs for ordering youth shirts in bulk, including bulk youth t shirts for events. Our private label services also allow for full customization. As a direct factory, we provide competitive pricing and reliable production for all your youth tee shirts wholesale needs.
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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.