The sportswear industry has changed significantly in recent years. Training apparel is no longer limited to basic gym clothing. Today, customers expect athletic garments to provide comfort, flexibility, durability, breathability, and a modern appearance. Among these products, training shorts remain one of the most popular choices for athletes, gym gears, runners, fitness enthusiasts, sports teams, and active lifestyle consumers.

The good news is that brands have more manufacturing choices than ever. Training shorts manufacturers in Pakistan, the United States, and other manufacturing regions offer custom sportswear production for startups, established brands, retailers, gyms, teams, wholesalers, and private label companies.

1. Grayback International-Best training Shorts Manufacturer

Grayback International takes the #1 position because of its strong focus on custom sportswear, low-MOQ production, private labeling, and international apparel manufacturing. The company works with startups, established clothing brands, sports teams, retailers, and businesses looking to develop custom athletic products.

Its product range includes training shorts, gym wear, sports uniforms, tracksuits, compression apparel, athletic shirts, hoodies, joggers, and other custom cut-and-sew products. This broad product capability can be particularly useful for brands planning to create a complete sportswear collection rather than selling only one product.

Grayback International operates production in Sialkot, Pakistan, while also maintaining a California, USA presence. Its low-MOQ approach makes it especially appealing to smaller brands that want to test new designs before moving into larger production quantities.

Detail	Information
MOQ	From approximately 20 pieces per article
Location	Sialkot, Pakistan + California, USA
Specialty	Training shorts, sportswear, gym wear, teamwear, private label
Customization	Custom fabrics, colors, printing, embroidery, labels and packaging
Best For	Startups, established brands, teams and private-label businesses
Website	Grayback International

Why Grayback International Is #1

One of Grayback International’s biggest advantages is flexibility. A startup does not necessarily need to order hundreds or thousands of pieces to begin developing a product. Lower starting quantities can make it easier to test a new design, understand customer demand, and then increase production.

The company can also work with custom specifications, meaning a brand can develop training shorts around its own identity. This includes decisions about fabric, colors, measurements, logos, labels, packaging, and other product details.

For brands that want one supplier for several sportswear products, this wider manufacturing capability can make product development more efficient.

2. Novex Apparel

Novex Apparel is a custom apparel manufacturer based in Sialkot, Pakistan, with a strong focus on international customers. The company produces sportswear, activewear, gym clothing, custom shorts, tracksuits, and other garments for brands looking for private label and custom manufacturing services.

The company is particularly relevant to sportswear brands because its product portfolio extends beyond ordinary fashion apparel. A customer can work on different athletic garments while maintaining a consistent approach to fabric, color, branding, and production.

Novex also focuses on supporting smaller and growing businesses, making it a practical option for brands that are not ready to place extremely large orders.

Detail	Information
MOQ	Approximately 50 pieces per design, depending on requirements
Location	Sialkot, Pakistan
Specialty	Sportswear, gym shorts, activewear, custom clothing
Customization	Custom designs, fabrics, colors, logos, labels and packaging
Best For	Startups, fitness brands and private-label companies
Website	Novex Apparel

Why Choose Novex Apparel?

Novex Apparel can be a strong choice for a brand that wants to create more than one athletic product. Training shorts can be developed alongside shirts, tracksuits, hoodies, compression garments, and other sportswear.

This can help a growing brand maintain a consistent appearance across its collection.

3. Baagh Enterprises

Baagh Enterprises is a Pakistan based custom clothing and sportswear manufacturer serving international brands. The company is particularly interesting for smaller businesses because it promotes low-MOQ manufacturing, allowing new brands to begin with smaller production quantities.

For training shorts, brands can work with manufacturers on different fabrics, colors, measurements, logos, prints, and private-label requirements. This makes the company suitable for businesses that want to create their own product rather than simply purchase generic wholesale shorts.

Low MOQ can also help reduce the financial risk of launching a new product. Instead of committing to a large quantity immediately, a brand can start with a smaller order and increase production once the design has demonstrated market demand.

Detail	Information
MOQ	From approximately 20 pieces per design
Location	Sialkot, Pakistan
Specialty	Gym shorts, sportswear, activewear and private label
Customization	Custom fabrics, colors, logos, labels and packaging
Best For	Startups, small brands and fitness businesses
Website	Baagh Enterprises

Why Choose Baagh Enterprises?

The main attraction for many emerging brands is its low starting quantity.

A new company could test several training short concepts without committing to a large inventory investment. This can be useful for online brands that are still learning which colors, lengths, fabrics, and designs appeal most to their customers.

4. Nofal Apparel

Nofal Apparel is an international custom clothing manufacturer based in Pakistan. The company serves apparel businesses looking for custom manufacturing, private labeling, and sportswear production.

Its capabilities make it suitable for brands that want to develop custom training shorts as part of a wider activewear collection. Businesses can discuss requirements such as fabric composition, colors, measurements, branding, labels, and packaging.

For companies selling in the USA and other international markets, working with an export oriented manufacturer can also simplify the process of developing products for overseas customers.

Detail	Information
MOQ	Approximately 50–100 pieces depending on design
Location	Pakistan
Specialty	Sportswear, gym apparel, custom clothing and private label
Customization	Custom fabrics, patterns, colors, branding and packaging
Best For	Fitness brands, sportswear labels and startups
Website	Nofal Apparel

Why Choose Nofal Apparel?

Nofal Apparel can be considered by businesses that want an international production partner capable of handling several types of garments.

For an activewear company, having one manufacturing relationship for shorts, shirts, tracksuits, hoodies, and other products can simplify sourcing and help create a more consistent collection.

5. Scrod Industries

Scrod Industries specializes in sportswear and athletic apparel and is particularly relevant to brands looking for gym and training products.

Its product range includes training shorts and other performance oriented garments. This focus is important because athletic shorts require different construction considerations from standard casual shorts.

A training short may need lightweight fabric, stretch, moisture management, reinforced stitching, an adjustable waistband, pockets, or an internal liner depending on the intended use. A manufacturer familiar with sportswear can help brands select appropriate materials and construction methods.

Detail	Information
MOQ	Approximately 50 pieces
Location	Pakistan
Specialty	Training shorts, gym shorts, athletic apparel and sportswear
Customization	Custom fabrics, colors, logos, printing, labels and packaging
Best For	Fitness brands, sportswear companies and private labels
Website	Scrod Industries

Why Choose Scrod Industries?

Scrod Industries is worth considering for brands where performance apparel is the central focus.

Its sportswear orientation can be beneficial when discussing technical requirements such as breathable fabrics, stretch materials, moisture-wicking construction, and athletic fits.

6. Threadline Industries

Threadline Industries is a Sialkot, Pakistan based custom apparel manufacturer with a strong focus on low-MOQ production for international brands. The company specifically promotes a minimum order quantity of 20 pieces per design, making it an attractive option for startups and small sportswear businesses.

The manufacturer offers custom sportswear production using fabrics such as polyester, nylon, mesh, cotton, and stretch materials. Brands can also request different sizes and fabric colors while maintaining the same design.

Threadline Industries also supports samples before bulk orders, custom patterns, branding, embroidery, printing, private labeling, packaging, and worldwide shipping. Its international customer base includes a particularly strong focus on the USA market.

Detail	Information
MOQ	20 pieces per design
Location	Sialkot, Pakistan
Specialty	Custom sportswear, activewear, training apparel and private label
Customization	Fabric selection, patterns, embroidery, printing, labels and packaging
Best For	Startups, USA brands, small businesses and private labels
Website	Threadline Industries

Why Choose Threadline Industries?

The 20-piece MOQ is one of Threadline Industries’ strongest advantages.

For a new brand, producing 20 pieces of a design can be much less risky than committing to hundreds of units. It provides an opportunity to test the product, gather feedback, evaluate demand, and then scale.

The company can also manufacture products from scratch rather than requiring customers to provide finished garments. This can be useful for brands that want complete control over their design and specifications.

7. ZipaSports

ZipaSports is a sportswear manufacturer based in Sialkot, Pakistan, with a specific focus on custom athletic and training products. Its training shorts manufacturing service includes options for different fabrics, inseam lengths, waistbands, pockets, compression liners, mesh panels, and branding methods.

The company promotes low-MOQ training shorts production, making it relevant to gyms, sports teams, fitness businesses, and emerging activewear brands. Its manufacturing approach also allows customers to develop shorts around specific sports or training requirements.

For brands that want highly functional shorts rather than basic fashion garments, technical details such as liner construction, stretch, pockets, and waistband design can be important differentiators.

Detail	Information
MOQ	Approximately 20–25 pieces per design
Location	Sialkot, Pakistan
Specialty	Training shorts, fitnesswear, sportswear and activewear
Customization	Fabrics, inseams, pockets, liners, printing and private labeling
Best For	Gyms, sports teams, fitness brands and startups
Website	ZipaSports

Why Choose ZipaSports?

ZipaSports is particularly interesting for brands that want training shorts with technical features.

Options such as compression liners, mesh panels, zipper pockets, different inseam lengths, and performance fabrics can allow a brand to develop a product for a specific training environment.

8. Ready One Clothing

Ready One Clothing is a garment manufacturing company that offers custom high performance training shorts for athletic apparel brands.

Its custom shorts service allows brands to specify elements such as fabric, colors, inseam length, waistband style, and branding. This makes the company suitable for businesses that already have a defined product concept and want a manufacturer to turn it into a finished garment.

The company’s manufacturing approach is particularly relevant to brands that want custom cut-and-sew training shorts instead of generic wholesale products.

Detail	Information
MOQ	Approximately 50 units per design
Location	USA
Specialty	Custom training shorts, athletic apparel and cut-and-sew manufacturing
Customization	Fabrics, colors, inseams, waistbands and branding
Best For	Athletic brands, private labels and established apparel companies
Website	Ready One Clothing

Why Choose Ready One Clothing?

For brands that prefer USA-based manufacturing, Ready One Clothing offers a useful alternative to overseas production.

Domestic manufacturing can be attractive when communication, product development, production oversight, and proximity to the US market are important considerations.

9. Lefty Production Co.

Lefty Production Co. is a Los Angeles-based apparel development and manufacturing company. The company works with emerging brands as well as established businesses and provides services covering product development, sourcing, pattern making, sampling, and production.

Its experience with activewear and athleisure makes it relevant to brands developing modern training shorts for the US market.

The company can be particularly useful for brands that need assistance with product development rather than simply sending a completed tech pack to a factory.

Detail	Information
MOQ	Approximately 100 pieces depending on product
Location	Los Angeles, California, USA
Specialty	Activewear, apparel development, cut-and-sew manufacturing
Customization	Pattern development, sampling, fabric sourcing and branding
Best For	USA startups, fashion brands and activewear companies
Website	Lefty Production Co.

Why Choose Lefty Production Co.?

One of Lefty’s major advantages is its product development focus.

This can be valuable for brands that have a concept but still need help refining the fit, pattern, fabric, construction, or final specifications before moving into production.

10. Billoomi Fashion

Billoomi Fashion is an India-based apparel manufacturer serving international brands and startups. The company provides custom apparel manufacturing, product development, sourcing, sampling, printing, embroidery, quality control, and private-label services.

Its small-batch approach makes it an option for businesses that want to avoid committing to extremely large production quantities during the early stages of a product launch.

For a training shorts brand, the company can be considered when developing custom designs that require specific fabrics, measurements, colors, branding, and packaging.

Detail	Information
MOQ	From approximately 25 pieces for selected styles; varies by customization
Location	India
Specialty	Custom apparel, activewear, private label and small-batch production
Customization	Fabric, patterns, printing, embroidery, labels and packaging
Best For	Startups, fashion brands and small-batch businesses
Website	Billoomi Fashion

Why Choose Billoomi Fashion?

Billoomi Fashion can be useful for brands that want a complete apparel development and manufacturing service.

Its small-batch capabilities can also make it attractive to startups that want to validate a product before committing to large production quantities.

What Makes a Good Training Shorts Manufacturer?

Choosing a manufacturer should involve more than comparing the lowest price.

A good supplier needs to understand how the product will be used and what customers expect from it. Training shorts are performance garments, which means factors such as fabric, fit, stitching, breathability, stretch, and durability can directly influence customer satisfaction.

Here are the most important factors to consider.

Fabric Selection

Fabric is one of the first things to discuss with a manufacturer.

Training shorts can be produced from polyester, nylon, spandex blends, cotton blends, mesh, recycled polyester, and other performance materials.

Polyester is widely used in sportswear because it can be lightweight, durable, and suitable for moisture-management applications. Spandex or elastane can be added when additional stretch is required.

For a premium training short, the manufacturer should be able to explain the fabric composition, GSM, stretch characteristics, colorfastness, shrinkage, and care requirements.

Fit and Sizing

A training short needs to provide freedom of movement.

A bodybuilding short, running short, basketball short, and general gym short may all have different fits.

For example, running shorts may have a shorter inseam, while basketball shorts usually require a longer and looser cut.

When working with a manufacturer, provide detailed measurements for:

• Waist
• Hip
• Front rise
• Back rise
• Inseam
• Leg opening
• Pocket size
• Liner length

A professional tech pack can make this process significantly easier.

Waistband

The waistband can have a major impact on comfort.

Depending on the product, a manufacturer may provide:

• Elastic waistband
• Internal drawcord
• External drawcord
• Flat waistband
• Branded waistband
• Reinforced waistband

For training shorts, the waistband needs to remain secure during movement without becoming uncomfortable.

Pockets

Pockets are another important feature.

Depending on the target customer, brands may request:

• Side pockets
• Back pockets
• Zipper pockets
• Hidden pockets
• Phone pockets
• Key pockets

A gym customer may appreciate a secure zipper pocket for keys or a phone, while a competitive athlete may prefer a minimalist design with no unnecessary bulk.

Inner Compression Liner

Two-in-one training shorts have become increasingly popular.

The outer layer provides the traditional appearance of athletic shorts, while an inner compression liner offers additional coverage and support.

Manufacturers should be able to discuss liner fabric, stretch, length, stitching, and overall construction.

Branding

Training shorts can provide several opportunities for branding.

Popular techniques include:

• Sublimation
• Screen printing
• Heat transfer
• DTF printing
• Embroidery
• Silicone logos
• Woven labels
• Printed labels

The best branding technique depends on the fabric, design, logo, quantity, and intended appearance.

Why Low MOQ Is Important for Sportswear Startups

MOQ, or minimum order quantity, can have a major effect on the financial risk of launching an apparel brand.

Suppose a new business wants to launch five training-short designs. Ordering 500 pieces of each design would require a significant upfront investment.

If the brand does not know which design will sell, it could end up with large amounts of unsold inventory.

Low-MOQ manufacturing provides a different approach.

A company can start with smaller quantities, test the market, analyze sales, collect customer feedback, and then increase production.

This makes low-MOQ manufacturers especially useful for:

• New fitness brands
• Gym clothing startups
• Influencer brands
• E-commerce businesses
• Sports teams
• Small retailers
• Private-label companies

It also allows businesses to experiment with different colors, lengths, fabrics, and designs without taking on excessive inventory risk.

Custom Training Shorts vs. Ready-Made Products

When starting an athletic apparel business, there are generally two sourcing approaches.

The first is purchasing ready-made training shorts and adding your logo.

This approach can be fast and relatively simple, but customization is often limited.

The second option is custom manufacturing.

With custom manufacturing, a brand can control:

• Fabric
• GSM
• Fit
• Inseam
• Waistband
• Pockets
• Liner
• Colors
• Logo placement
• Labels
• Packaging

Custom manufacturing generally requires more development work, but it gives a brand a much better opportunity to create a unique product.

Private Label Training Shorts Manufacturers

Private labeling allows a manufacturer to produce the garment while the finished product carries your brand identity.

A private-label training shorts order may include:

• Custom woven labels
• Printed care labels
• Size labels
• Hangtags
• Custom packaging
• Branded polybags
• Custom cartons
• Logo printing
• Custom colorways

This is particularly important for brands selling through their own websites, Amazon stores, gyms, retailers, or social media channels.

Customers should remember the brand rather than the factory.

Training Shorts for Different Sports

Not every training short should have the same design.

Gym Training Shorts

Gym shorts are usually designed for weight training, functional workouts, bodybuilding, and general fitness.

Popular features include:

• Stretch fabrics
• Lightweight construction
• Elastic waistbands
• Drawcords
• Pockets
• Breathable panels
• Five- to seven-inch inseams

Running Shorts

Running shorts prioritize lightweight construction and freedom of movement.

Brands may choose:

• Short inseams
• Lightweight polyester
• Inner briefs
• Reflective elements
• Secure pockets
• Moisture-management fabrics

Basketball Shorts

Basketball shorts generally use a longer, relaxed silhouette.

Common features include:

• Mesh fabrics
• Longer inseams
• Side pockets
• Team logos
• Numbers
• Sublimated artwork

Football and Soccer Training Shorts

Football and soccer shorts need to allow extensive lower-body movement.

Brands may add:

• Lightweight polyester
• Elastic waistbands
• Club logos
• Sponsor branding
• Sublimated designs
• Coordinated jerseys