High-Support Racerback Sports Bra | OEM/ODM Activewear Manufacturer

The High-Support Racerback Sports Bra is engineered for high-impact athletic, fitness, and tactical applications requiring maximum stabilization, moisture control, and ergonomic durability. Designed for private label fitness brands, sporting goods wholesalers, and apparel distributors, this model features dual-layer compression and targeted encapsulation to mitigate high-impact motion. Manufactured under strict ISO 9001 quality controls, our production lines deliver consistent dimensional grading and reliable bulk delivery for global B2B supply chains.

Key Features

Ergonomic Racerback Architecture: Balances shoulder load distribution, enhances scapular range of motion, and prevents strap displacement during overhead movements.

Dual-Layer Containment System: Pairs an inner compressive mesh lining with structured outer panels to control high-impact bounce without excessive torso restriction.

Anchored Underband: 35mm brushed-back elastic band secures the bra firmly against the ribcage to eliminate upward migration during intense physical training.

Flatlock Seam Configuration: 4-needle 6-thread stitching minimizes skin friction and prevents chafing along high-motion friction zones.

Advanced Hydrophilic Matrix: Accelerates moisture transfer from the skin microclimate to the fabric exterior for rapid evaporation.

Technical Specifications

Parameter	Standard Specification
Primary End-Use	High-Impact Training (Running, CrossFit, HIIT, Tactical)
Support Classification	High Support (Vertical Bounce Reduction > 85%)
Main Fabric Weight	240 GSM – 280 GSM
Elastane Ratio	18% – 25% Spandex (High Memory Retention)
Stitch Density	12–16 stitches per inch (SPI)
Color Fastness Rating	Grade 4–5 (AATCC 61 / ISO 105-C06)
Moisture Absorption Rate	Drop test < 3 seconds (AATCC 197)
Size Grading Scale	XS to 2XL (Custom block patterns supported)

Materials & Construction

01/

Shell Composition: 78% Nylon (Polyamide) / 22% Elastane (Spandex) interlock knit. Delivers high tensile strength, abrasion resistance, and four-way mechanical stretch.

02/

Lining Composition: 85% Polyester / 15% Spandex perforated mesh for targeted thermal regulation in high-heat zones.

03/

Machinery & Equipment: Assembled using Kansai Special and Pegasus flatlock machinery to withstand repetitive mechanical stress.

04/

Hardware Options: Nickel-free coated metal rings and sliders for adjustable strap configurations.

Sizes & Customization

Standard Sizing Matrix: US/EU standard sizing charts based on digital CAD grading blocks.
OEM Customization Options:

Sustainable Materials: GRS-certified recycled nylon, organic cotton blends, or bespoke GSM configurations.
Branding Execution: Heat-transfer silicone logos, custom woven labels, branded jacquard underbands, and custom care labels.
Color Matching: Pantone (TCX) matching capability with a minimum batch dyeing quantity of 500 pieces per color.

Applications

Commercial Retail: Private label collections for direct-to-consumer (DTC) fitness apparel brands.
Gym & Club Chains: Custom-branded athletic apparel for fitness facilities and corporate wellness programs.
Tactical & Uniforms: High-durability undergarments for female tactical personnel and security operations.
Sporting Goods Distribution: Bulk inventory supply for regional sports equipment wholesalers.

Quality Control & Manufacturing Standards

Our manufacturing infrastructure implements multi-stage inspection protocols to maintain zero-defect bulk standards:

Raw Material Inspection: Fabric rolls undergo incoming checks for weight consistency, shade matching, and bursting strength.

Precision Cutting & Mid-Line Audits: Automated cutting machines maintain dimensional tolerances within ±1 mm, while mid-line audits monitor stitch tension and seam integrity.

Finished Garment Testing: 100% manual thread trimming followed by random physical testing (strap pull tests, hook fatigue cycles, and wash shrinkage trials).

Compliance Certification: Raw materials comply with OEKO-TEX Standard 100, ensuring restriction of harmful chemical residues.

Packaging & Private Label OEM/ODM Workflow

Standard Packaging: Individual recyclable polybag with size barcode sticker; 50 pieces packed per heavy-duty 5-ply export master carton.

Custom Packaging: Biodegradable packaging, custom paper hangtags, branded zip-lock bags, and retail-ready carton layouts.

Standard OEM/ODM Timeline: Tech pack evaluation → Counter sample development (7–10 days) → Size grading → Pre-production sample (PPS) sign-off → Bulk manufacturing (30–45 days).

Frequently Asked Questions

Q: What is the minimum order quantity (MOQ) for custom private label production?

A: The standard MOQ is 500 pieces per style, which can be distributed across up to 3 sizes and 2 colorways. Trial orders using existing stock fabrics can be negotiated at lower quantities.

Q: How do you prevent elastane degradation after industrial laundering cycles?

A: We utilize high-modulus elastane yarns wrapped in continuous filament nylon. Fabrics undergo controlled heat-setting during the dyeing stage to lock in dimensional memory and prevent structural relaxation.

Q: Can you match exact Pantone color references for custom dye lots?

A: Yes. Our in-house color laboratory provides lab dip matching within 5 working days based on client-specified Pantone TCX references.

Q: What factory audits and compliance certificates do you maintain?

A: Our manufacturing facilities operate under ISO 9001 quality management systems, BSCI social compliance standards, and GRS (Global Recycled Standard) supply chain certifications.

Q: What is the standard production lead time for bulk manufacturing orders?

A: Standard bulk production requires 30 to 45 calendar days following the written approval of pre-production samples (PPS) and confirmation of the deposit.

Q: Do you provide third-party laboratory testing reports for fabric performance?

A: Yes. Certified third-party test reports (SGS or Intertek) covering color fastness, pilling resistance, and moisture-wicking metrics can be arranged upon request for bulk production runs.

Request a Quote

To receive a detailed B2B quotation including FOB/EXW pricing, freight logistics, and sampling schedules, please submit your project requirements below:

Estimated Order Quantity & Size Breakdown:
Target Colorways (Pantone References):

Customization Specifications (Logo Type, Fabric GSM, Hangtags):
Destination Port / Delivery Location:
[Submit Specifications & Request Quote]

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