Every sports brand knows that high-performance activewear starts with the perfect base layer. Today, athletes look for sports underwear that dries fast, stays comfortable, and protects their skin during hard workouts. Partnering with the right sports underwear manufacturer is how top activewear brands create best products that customers love to buy. Check out these top 9 sports underwear manufacturers to upgrade your product quality and grow your brand quickly.
1. Thygesen Textile Vietnam
Thygesen Textile Vietnam is an ethical clothing manufacturer in Vietnam, providing OEM/ODM solutions for global brands. With strong expertise in functional apparel and nearly a century of textile experience, Thygesen delivers sports underwear that ensures comfort, support, breathability, and high performance during movement.
We produce a wide range of sports underwear, including performance briefs, sports boxers, seamless underwear, and base-layer styles. Using high-quality materials such as cotton-spandex, modal, polyester, and polyamide blends, we ensure excellent moisture management, stretch recovery, and long-term durability even under intensive use.
Our manufacturing system is supported by internationally recognized certifications, including ISO 9001:2015, ISO 13485:2016, SA8000, WRAP, OEKO-TEX® Standard 100, GRS, and GOTS, ensuring consistent quality, safety, and ethical production standards across every stage of manufacturing.
2. Ranbao Underwear
Ranbao Underwear was founded in 2012 and is based in Shenzhen, China. With more than 13 years of experience in knitted apparel, they have become a capable sports underwear manufacturer known for comfortable and functional designs.
As a full-service sports underwear manufacturer, Ranbao offers complete OEM and ODM services, including custom design, cut and sew, private label programs, fabric selection, printing, and packaging. They produce men’s boxer briefs, sports bras, performance underwear, and athletic shorts. They focus on breathable fabrics and supportive fits that help athletes stay dry and comfortable during training. Moreover, the company offers flexible minimum order quantities, making them a good choice for both small brands and larger businesses. Their main strength is reliable quality, fast production, and practical designs that combine everyday comfort with sports performance. Ranbao’s strength is end-to-end customization and reliable quality control from design to final delivery.
3. Ktena
Ktena Knitting Mills was founded in 1982 and is based in Melbourne, Australia. After more than 40 years as a family-owned manufacturer, the company has become a trusted sports underwear manufacturer specializing in premium natural fibers using premium Australian Merino wool.
They produce high-quality sports underwear, thermal base layers, Merino boxer briefs, and performance tops. As a sports underwear manufacturer, Ktena focuses on natural fabrics that offer temperature control, odor resistance, and long-lasting comfort. They support both small and large orders with strong emphasis on Australian-made quality. Their main strength is durable, skin-friendly garments ideal for sports and outdoor activities.
4. MAS Holdings
Started in 1987 in Colombo, Sri Lanka, MAS Holdings is a massive clothing company with over 37 years of experience. They use modern technology to produce high-volume sports underwear for global brands. They manufacture sports underwear, performance briefs, seamless activewear, sports bras, and compression garments.
As a leading sports underwear manufacturer, MAS applies modern technology to create moisture-wicking, breathable, and supportive underwear for athletes. They offer full OEM and ODM services, concept-to-delivery solutions, and flexible MOQ for international brands. Their strength lies in innovation, consistent quality, and reliable delivery for international brands.
5. ASNS Apparel
Based in London, UK, ASNS Apparel started in 2025 but is already making a big impact. They use deep industry insight to stand out as a top-quality, modern sports underwear manufacturer for fitness businesses.
The company produces sports underwear, performance briefs, training tops, and custom active intimate wear. They pay special attention to comfort, stretch, and durability in every piece. With flexible minimum order quantities and work closely with clients from concept to final product. ASNS offers full-package services including design development, sampling, cut and sew, embroidery, printing, and private label programs. Their advantage is fast sampling, quality control, and personalized service as an emerging sports underwear manufacturer in the UK market.
6. Fashion Atlas Group
Fashion Atlas Group was founded in 2011 and is based in Bayonne, New Jersey, USA. With over 14 years of experience in clothing manufacturing and sourcing, they have grown into a dependable sports underwear manufacturer.
They offer sports underwear, boxer briefs, active tops, leggings, and full athletic collections. As a flexible sports underwear manufacturer,they provide custom design, OEM/ODM services, private labeling, and flexible production options. They focus on moisture management and comfort while supporting both small runs and larger orders. Their strength is full-package service from design to delivery with reliable quality.
7. Angus Apparel
Angus Apparel is a growing clothing manufacturer with several years of experience in activewear production. They have developed solid skills in creating functional sports underwear for everyday athletes and fitness enthusiasts.
The company produces sports underwear, performance briefs, training shorts, and custom athletic wear. They focus on breathable fabrics and comfortable fits that support movement during exercise. With flexible minimum order quantities, support for OEM and private label orders they serve both small brands and larger clients. Their main advantage is practical designs and good attention to quality and customer needs.
8. Bomme Studio
Bomme Studio was founded in 2014 and is based in Los Angeles, USA. Having spent over 10 years perfecting in fashion production, they have become a creative and reliable sports underwear manufacturer.
They specialize in custom sports underwear, seamless briefs, sports bras, and premium active intimate apparel. As a sports underwear manufacturer, they focus on stylish yet functional designs made with soft, high-performance fabrics. Bomme Studio offers full custom design, sampling, cut and sew, and private label programs with high attention to detail. They provide flexible MOQ and full custom development. Their key strength is high-quality USA-based production and stylish yet functional designs.
9. Appareify
Since 2017, Appareify has been helping clothing brands step up their game from their modern base in Guangzhou, China. With more than 8 years of experience, they have become a deeply trusted sports underwear manufacturer that knows how to turn creative designs into high-quality products.
They produce sports underwear, performance boxer briefs, seamless activewear, sports bras, and private label underwear. To keep athletes feeling fresh and confident, the company uses modern, moisture-wicking fabrics that eliminate sweat irritation. As a sports underwear manufacturer, they focus on comfortable, moisture-wicking fabrics and modern designs. They support flexible minimum order quantities. Their strength is reliable OEM/ODM service, fast production, and Appareify delivers excellent manufacturing solutions for global clients.
Regular Underwear vs Sports Underwear: Key Differences & Manufacturing Considerations
Although both regular underwear and sports underwear serve everyday comfort needs, they are designed for very different purposes. Sports underwear requires higher performance in terms of moisture management, stretch, durability, and support to withstand intense physical activities. Therefore, manufacturers need to apply different materials, construction techniques, and quality control standards during production.
Criteria | Regular Underwear | Sports Underwear | Key Manufacturing Considerations |
Main Purpose | Daily comfort | Sports & active performance | Clearly define end-use requirements before development |
Common Fabrics | Cotton, Modal, Bamboo | Polyester, Polyamide, Spandex blends | Ensure suitable fabric functionality and durability |
Breathability | Medium | High | Focus on moisture-wicking and ventilation performance |
Stretch & Recovery | Basic stretch | High elasticity & shape retention | Conduct stretch recovery and deformation testing |
Support Level | Standard | Enhanced support during movement | Optimize fit engineering and ergonomic construction |
Seam Construction | Conventional seams | Flatlock or seamless preferred | Reduce friction and skin irritation during activity |
Durability Requirement | Normal daily wear | Frequent stretching & washing | Test seam strength, pilling, and wash durability |
Moisture Management | Limited | Sweat-wicking & quick-dry | Verify fabric performance under active conditions |
Fit & Compression | Relaxed fit | Body-contouring fit | Ensure sizing consistency and movement flexibility |
Production Complexity | Standard manufacturing | Higher technical requirements | Require advanced machinery and stricter quality control |
In conclusion, choosing the right sports underwear manufacturer is essential for ensuring comfort, performance, durability, and consistent product quality for activewear brands.
With strong expertise in functional apparel, strict quality control, flexible OEM/ODM services, and internationally recognized certifications, Thygesen Textile Vietnam is a reliable manufacturing partner for global sports clothing brands seeking high-quality sports underwear solutions.
For partnership opportunities, please contact us at sale@thygesen.com.vn or visit https://thygesenapparel.com.
