Top 10 Gym Clothing Manufacturers USA: Your Ultimate Guide

Gym clothing manufacturers USA are the backbone of the fitness apparel industry — think of them as the ​”gym bros” of fabric, flexing those high-quality, stylish, and durable gains. But let’s keep it real: finding the right one can feel like ​hunting for a unicorn in a protein shake aisle.

Sure, everyone’s sweating over inconsistent quality, sky-high costs, and sustainability ”uh-ohs” — because nobody wants their brand rep to ​crash harder than a treadmill newbie.

So what’s the secret sauce? ​

Spoiler alert: We’re about to drop the top 10 gym clothing manufacturers USA that’ll level up your brand’s swagger (no cheesy gym selfies required). Let’s spot you like a good workout buddy.

List of Gym Clothing Manufacturers USA

Top 10 Gym Clothing Manufacturers USA

1. Fitness Clothing Manufacturer

Fitness Clothing Manufacturer is a top activewear brand. As one of the best gym clothing manufacturers USA. Specializes in high-quality gym apparel. Offer private label services to various brands. Let businesses create unique fitness clothing lines. Their commitment to quality and sustainability sets them apart in a competitive market.

Premium Customization​

• ​​Private Label Excellence​​: Seamlessly integrate your logo, tags, and packaging into gym apparel (e.g., laser-etched logos on performance leggings, custom woven labels with anti-counterfeit threads). No hidden fees for branding setup.
• ​​Eco-Conscious Material Library​​: Choose from 50+ certified sustainable fabrics, including ​​Global Recycled Standard (GRS) polyester​​ (made from 92% post-consumer plastic) and ​​OEKO-TEX® certified moisture-wicking bamboo blends​​, all traceable via blockchain.
• ​​Small-Batch Expertise​​: Produce niche collections (e.g., 200-unit runs of limited-edition yoga sets) with the same quality as bulk orders, leveraging in-house pattern-making and grading teams.

​​Agile Production​

• ​​Fast-Track U.S. Manufacturing​​: 75% of production occurs in California facilities (SA8000-certified), enabling ​​4-week standard lead times​​ and same-continent QC checks.
• ​​Hybrid Sourcing Model​​: Combine cost-efficient Asian-made base layers (e.g., Vietnam-sourced compression fabrics) with U.S.-assembled premium items (e.g., merino wool-lined hoodies) to balance pricing and speed.

Pro Tip: When choosing gym clothing manufacturers USA, request samples of their work. Let you assess the quality before committing to larger orders.

2. American Garment

American Garment is a leading U.S. fitness clothing manufacturer. It is known for its quality and ethical production. Founded in the late 1980s, the company has a strong reputation in the apparel industry. Producing stylish, responsibly-made garments. American Garment focuses on sustainability and fair labor. It sources much of its production from Central America.

American Garment offers a full suite of services. They support brands in apparel development. Provide consulting to help clients refine their designs. Also help select materials that fit their brand vision. The company specializes in small-batch production runs. So, it is an ideal partner for startups or brands looking to test new products without committing to large quantities. Know more about Best 10 Lingerie Manufacturers USA!

Production Time: Approximately 60 days

Pros

• Ethical Manufacturing: American Garment prioritizes ethical labor practices. All products are made in fair working conditions. This appeals to socially conscious brands.
• Customization: The company offers many options for design and fabric. Brands can use them to create unique products for their audience.
• Small-Batch Production: Their ability to handle small orders makes them a great choice for new brands. Launch new lines without a big upfront investment.

Cons

• Limited Pricing Transparency: Potential clients may struggle to find clear pricing info without asking directly.
• Geographical Limitations: Relying on Central American production may risk supply chain issues or geopolitical factors.

3. JS Apparel

JS Apparel is a California clothing manufacturer. Specializes in high-quality garments and has over 15 years of industry experience. Founded in 2004, the company is known for its diverse apparel. Includes custom sportswear, casual clothes, and specialty items.

This fitness clothing manufacturer specializes in pattern making and fit sampling. This lets brands refine designs before full production. Also, JS Apparel has an in-house dye house. Provides custom dyeing services. Brands achieve their exact desired colors without using third-party suppliers.

Predictable Production Timelines​​

• ​​Speed When You Need It​​: Standard production takes 6-8 weeks, but pay 10% extra to get basic items (like solid-color tees) in ​​4 weeks​​. (Dyeing takes 7 days to lock in colors permanently.)
• ​​Track Progress Like a Pro​​: Check your order’s status anytime online:
  • Weeks 1-2: See when fabrics arrive and dyeing starts.
  • Weeks 3-4: Watch how many pieces are cut and sewn daily.
  • Weeks 5-6: View quality check results and packaged product photos.
• ​​Late Delivery Protection​​: 95% of orders arrive on time. If delayed over 5 days, we pay ​​0.5% of your order value per day​​.

Elevate your brand with ​gym clothing manufacturers USA who prioritize planet and profit.

Explore Green Solutions

4. Suuchi Inc.

Suuchi Inc. is a tech-driven apparel manufacturer in New Jersey, trusted by ​gym clothing manufacturers. Suuchi Ramesh founded it in 2017. The company designs, makes, and ships clothing for top American fashion brands and Fortune 1000 companies. It stands out for its proprietary platform, the Suuchi GRID. Integrates supply chain management with real-time visibility across all production stages.

Suuchi Inc. offers a comprehensive range of services tailored to meet the diverse needs of its clients. Their main service is integrating the Suuchi GRID platform. Gives brands a digital backbone to manage their supply chains. Includes product development, sourcing, production planning, and inventory management. The platform’s features enable rapid prototyping. Brands can create garment samples from 3D concepts in just 48 hours.

Production Time: 4 to 6 weeks

Pros

• Technology Integration: The Suuchi GRID platform boosts supply chain visibility and efficiency. It lets brands track their products in real-time.
• Rapid Prototyping: Quickly creating garment samples speeds up the design-to-market process. This gives brands a competitive edge.
• Ethical Manufacturing: Suuchi Inc. appeals to brands that value social responsibility. It emphasizes ethical labor and local production.

Cons

• Higher Production Costs: Domestic manufacturing may be costlier than overseas options. Budget-sensitive brands may want to consider this.

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5. Mega Sports Apparel

Founded in 2018, Mega Sports Apparel headquartered in Wyoming, the company has a factory in Pakistan. Offer low prices while ensuring high quality. Mega Sports Apparel makes sports apparel for cycling, baseball, and hockey. It serves ​gym clothing manufacturers, startups, and established brands.

Mega Sports Apparel offers various manufacturing options for different business needs. They specialize in private-label manufacturing. Brands can create unique products under their own labels. The company offers order quantities starting from just 50 pieces per design. Their model bridges the gap between boutique agility and industrial scale. A key reason why emerging sportswear manufacturers in China collaborate with them for hybrid solutions.​

Production Time: 17 business days

Pros

• Custom Design Capabilities: Mega Sports Apparel excels in creating designs that match client visions. This ensures unique and appealing products.
• Flexible Order Quantities: Accepting small production runs helps emerging brands enter the market with low financial risk.
• Innovative Manufacturing Processes: They use advanced printing and high-quality fabrics. This improves the product’s quality.

Cons

• Limited Refund Policy: A lack of a refund policy may risk clients if approved products don’t meet their expectations.
• Dependence on Overseas Manufacturing: While cheap, reliance on overseas factories can risk shipping delays and geopolitical issues.

6. Yogawear

Yogawear is a specialized manufacturer. It makes high-quality yoga apparel. The apparel combines style with functionality. Yogawear was founded to meet the demand for stylish, comfy activewear. Uses premium materials that offer support and flexibility for yoga. It sources eco-friendly fabrics, like organic cotton and recycled polyester. Boost performance and minimize environmental impact.

Yogawear offers a full suite of services for brands entering the activewear market, including ​gym clothing manufacturers. Their main service is custom design. It lets clients create unique styles that reflect their brand. The company helps clients pick fabrics. Meet performance and sustainability goals.

Customization & Design Support​​

• ​​End-to-End Design Collaboration​​: Submit sketches or mood boards to Yogawear’s design team, and receive digital mockups within ​​72 hours​​. Clients get ​​2 free rounds of revisions​​ to adjust details like strap width, pocket placement, or logo embroidery positioning.
• ​​Low Minimum Order Quantity (MOQ)​​: Start with as few as ​​200 units per design​​ (e.g., a capsule collection of 3 yoga bra styles), ideal for startups or seasonal launches.
• ​​Free Sample Kits​​: Request a fabric swatch kit containing 10+ eco-friendly materials (e.g., OEKO-TEX® certified bamboo blends, GRS-recycled polyester) to feel textures and test stretch performance before committing.

7. Apparel Production Inc.

Apparel Production Inc. has been a cornerstone of New York City’s garment industry since its establishment in 1947. The company has over 75 years of experience. Specializes in high-quality apparel for men, women, and children. Apparel Production, known for its excellence, operates a fully integrated facility. It controls the entire manufacturing process, from design to shipping. The company is expert in various garments. Include custom t-shirts, custom jackets, custom jeans, custom underwear, and custom uniforms for the police and healthcare sectors.

The company offers production options, both domestic and overseas. Brands, especially fitness apparel manufacturers, can choose the best fit for their budget and timeline. Their duty-free factories let them cut costs and keep quality. Apparel Production emphasizes quality control in manufacturing. Inspects every piece to meet client expectations before delivery.

Production Time: 2 to 3 weeks

Pros

• Established Reputation: With decades of experience, Apparel Production Inc. has built a strong reputation for quality and reliability in garment manufacturing.
• Full-Service Capabilities: They handle all production in-house. This simplifies the process for clients and improves communication.
• Quick Turnaround Times: The company’s efficiency allows for faster production. This is vital for meeting market demands.

Cons

• Higher Production Costs: As the gym clothing manufacturers USA, they manufacturing in New York may be more expensive than overseas options. This could affect some brands’ pricing strategies.
• Minimum Order Quantities: Small brands may struggle with minimum order quantities. They want to test new products.

8. Indie Source

Indie Source is a fitness clothing manufacturer USA. It specializes in developing and making clothes for fashion designers and entrepreneurs. Founded in 2012 by Zack Hurley and Jesse Dombrowiak, the company is a leader in the industry. Focuses on sustainable and ethical practices. Indie Source has a team of pros. Offer brands support to navigate the complexities of apparel production.

Indie Source offers private-label manufacturing. Let brands make clothes under their own labels. They avoid the complexities of manufacturing. Their small-batch production is perfect for startups. It lets them test new designs with low upfront costs.

Production Time: 4 to 6 weeks

Pros

• Comprehensive Support: The company offers full services. This simplifies production for clients and boosts collaboration.
• Flexible Production Options: They can do small batches or larger runs. This suits a wide range of businesses and their needs.
• Strong Industry Connections: Indie Source’s LA location gives it access to a network of suppliers and skilled labor.

Cons

• Higher Costs: Domestic manufacturing can raise production costs vs. cheaper overseas options. This may affect pricing strategies.
• Longer Lead Times for Sampling: Initial sampling may take longer due to testing before full production.

9. AS Colour

AS Colour, founded in 2005 in Auckland, New Zealand. The company started by providing clothing blanks for the music industry. It has since expanded to offer a wide range of garments for various markets, including promotional and sportswear — ​catering to fitness apparel manufacturers. AS Colour values sustainability and responsible production. They believe that durable products reduce waste and promote mindful consumerism.

Ethical Production & Scalability​​

• ​​Dedicated Eco-Collections​​: Opt for ​​Global Recycled Standard (GRS) polyester​​ leggings or ​​GOTS-certified organic cotton​​ tanks. Each fabric batch includes a traceability report (e.g., recycled materials sourced from plastic bottles in Southeast Asia).
• ​​High-Volume Capacity​​: Produce up to ​​250,000 units/month​​ across partnered SA8000-certified factories, supporting bulk orders (e.g., 10,000 gym bags for a fitness chain launch).
• ​​Zero Deadstock Model​​: AS Colour’s “made-to-order” approach minimizes waste – fabrics are cut only after orders are confirmed.

Let ​gym clothing manufacturers USA support teams streamline your production.

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10. Sport-Tek

Sport-Tek, launched in 2004 and part of the SanMar Corporation, has become a prominent name in the athletic apparel industry. And a trusted partner for gym clothing manufacturers USA. The brand focuses on creating high-performance gear designed for athletes and active individuals. Sport-Tek’s commitment to innovation is clear. Uses advanced fabrics, like moisture-wicking and PosiCharge. They improve comfort and durability. Offer performance t-shirts, polos, jackets, and headwear for men and women.

Sport-Tek offers a variety of services aimed at enhancing the customer experience. Their main service is customizable apparel. Clients can personalize garments with logos or designs using screen printing and custom embroidery. The feature is great for teams and businesses. It helps them create a cohesive look for events or uniforms.

Production Time: Approximately 14 days

Pros

• High-Performance Fabrics: Sport-Tek uses advanced materials in their apparel. They improve comfort and durability for rigorous activities.
• Affordable Pricing: Competitive prices let businesses of all sizes access quality athletic wear.
• Efficient Logistics: Their fast shipping ensures timely order delivery.

Cons

• Limited Fabric Variety: They offer high-quality fabrics. But, their range may be less than competitors who specialize in niche materials.
• Higher Costs for Customization: The high cost may deter budget brands from using these options.

Expert Advice: When ordering from Sport-Tek, plan your customization needs in advance. This will help you avoid delays during peak seasons or promotions.

Mandy LV, Yoga And Gym Wear Manufacturer

Conclusion

To select the best gym clothing manufacturers USA, evaluate their product quality and cost. Reliable manufacturers can, through long-term partnerships, ensure product quality. Boosts brand reputation and customer satisfaction.

One manufacturer worth considering is LeelineApparel. Partnering with us can provide high-quality gym clothing that resonates with your customers.

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