We Design Sportswear That Fuels Performance
Sportswear Manufacturers in USA
Custom, Private Label & Wholesale Solutions
At Seam Apparel, we empower brands, startups, fitness clubs, and wholesalers to create premium sportswear that inspires performance and style. As a trusted sportswear manufacturer in USA, we specialize in custom sportswear manufacturing, private label fitness apparel, and wholesale sportswear production with low MOQs and scalable supply chain solutions.
Whether you’re a new brand launching an activewear line, a gym needing customized team uniforms, or an established retailer looking for reliable sportswear manufacturers in USA. Seam Apparel, an activewear manufacturer USA, delivers the expertise, flexibility, and quality you need to scale with confidence.
At Seam Apparel, we stand out for:
- Premium Performance Fabrics: Breathable, moisture-wicking, stretching, and sustainable materials.
- Endless Customization: Sublimation printing, embroidery, trims, labels, and packaging.
- Low MOQ (50 Pieces): Perfect for new activewear and fitness startups.
- Scalable Production: Seamlessly grow from small runs to bulk wholesale orders.
- Trusted by Global Brands: Recognized among leading sportswear manufacturers USA.
- Fast & Reliable Delivery: On-time production and worldwide shipping.
With Seam Apparel, you gain a partner—not just a supplier.
Our Sportswear Manufacturing Capabilities
Seam Apparel offers end-to-end sportswear manufacturing services in USA, delivering high-quality, performance-driven apparel tailored to your brand’s needs. With expertise across multiple categories, we help startups, established labels, and wholesale buyers bring their vision to life with precision and flexibility.
Athleisure & Lifestyle Wear
Versatile hoodies, joggers, polos, and casual wear designed for both comfort and style, perfect for the growing demand in everyday athleisure markets.
Specialized Categories
We also specialize in niche markets, including golf apparel, yoga wear, gym clothing, and custom-designed sports garments that elevate both performance and brand image.
Activewear & Fitness Apparel
From leggings, sports bras, gym tanks, compression shorts, and full workout sets, we design and manufacture pieces that combine durability, comfort, and style for training and everyday wear.
Team Sportswear
Custom jerseys, team uniforms, tracksuits, and warmups for schools, colleges, and sports clubs. We ensure each piece reflects team identity while offering peak athletic performance.
With Seam Apparel, you get more than just sports clothing manufacturers; you gain a partner who understands the balance between functionality, aesthetics, and branding. Our capabilities ensure your collections not only meet the demands of athletes but also align with current market trends and consumer expectations.
Private Label & Custom Sportswear Manufacturing
As a trusted private label fitness apparel manufacturer, Seam Apparel empowers businesses to launch and scale their own sportswear lines with a complete brand identity. We understand that every label has a unique vision, which is why our custom sportswear manufacturing solutions are built around flexibility, creativity, and quality.
Our private label services cover everything from product development to final packaging, ensuring your active wear is retail-ready and stands out in a competitive market. With low MOQs and scalable production, we are especially supportive of startups and growing brands that want to enter the sportswear industry with confidence.
Our private label solutions include:
- Custom Branding: Woven labels, care tags, heat transfers, trims, hang tags, and premium retail packaging.
- Fabric Selection: High-performance stretch fabrics, breathable mesh, cotton blends, moisture-wicking polyester, and sustainable textiles.
- Customization Options: Pantone color-matching, size grading, fit variations, and unique design details.
- Full Startup Support: From concept sketches and tech packs to ready-to-sell private label activewear collections.
Whether you’re looking for wholesale sportswear suppliers to manage large-scale production or a custom athletic apparel manufacturer for a niche collection, Seam Apparel provides the expertise and flexibility.
Trusted Sportswear Partners
Industries We Serve As a Sportswear Manufacturers
At Seam Apparel, we work with a diverse range of clients who trust us to deliver high-quality, customized uniforms and apparel. From ambitious startups launching their first collection to established wholesalers and global brands, our flexible manufacturing solutions are designed to support businesses at every stage.
- Startups
- Fitness Brands
- Gyms
- Sports Clubs
- Wholesalers
- DTC Activewear Brands.
Our 8-Step Sportswear Manufacturing Process
We follow a streamlined process to ensure high-quality production and consistent results:
Share your designs and specs; our team reviews every detail
Performance fabrics: breathable, sweat-wicking, quick-dry, and sustainable
Prototypes tailored for fit, function, and approval
Precision assembly to meet durability and comfort standards
Logos, sublimation, embroidery, trims, and packaging
Testing for stretch, durability, colourfastness, and comfort
Folding, tagging, labelling, and presentation as per your brand
Fast and reliable logistics to USA and global destinations
Frequently Ask Question
Partner with Seam Apparel – Trusted Sportswear Manufacturer in USA
Looking for a reliable sportswear manufacturer USA to produce premium activewear, team uniforms, or private label fitness lines? Seam Apparel is here to help. We provide custom sportswear manufacturing solutions, private label services, and wholesale production tailored to your needs.
Get in touch today for a free consultation and quote.
Yes, our MOQ starts at just 50 pieces, making us an ideal sportswear manufacturer for startups.
Absolutely. We offer sublimation printing, embroidery, and logo placements for team and club uniforms.
We source moisture-wicking, breathable, four-way stretch, and eco-friendly fabrics suitable for gym, yoga, and performance wear.
Yes. We are recognized as one of the leading golf apparel manufacturers USA and produce lifestyle athleisure collections.
You can launch your own sportswear line with custom branding, labels, tags, and packaging, all managed by our team.