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Fearless Support for Every Beautiful Curve

Engineered with extended wings to collect and smooth accessory breast tissue. The perfect invisible solution for sleeveless gowns and wide-neck tops.

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Plus Size Bras

The Plus Size Collection

Specialized designs for full-busted confidence.

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How We Support Heavy Busts

  • 45° Structural Buckle
We angled our buckle mechanism to 45°, creating a vector force that pulls upwards and inwards simultaneously, providing natural lift without shoulder straps.
  • Deep-Draft Cup Design
Our molds feature an extra-deep draft that accommodates volume, preserving the natural round shape instead of compressing it.
  • Lightweight Core Technology
We use a proprietary aerated silicone and high-density foam blend that reduces cup weight by 40%. A lighter bra means less drag on the skin and longer wear time.
How We Support Heavy Busts

Why Choose SyncoSil Plus Size Series?

Reinforced Adhesion

Reinforced Adhesion

For Plus Size, we use a specialized "High-Tack" version of Wacker bio-gel, increasing adhesive strength by 25% to support heavier tissue weight.

True-to-Size Molds

True-to-Size Molds

Not just scale up an A-cup mold, we engineer separate molds for D, E, F, and G cups, ensuring the curvature matches the actual breast anatomy.

Zero Shoulder Strain

Zero Shoulder Strain

By transferring the support load to the adhesive structure and ribcage, our bras eliminate the painful shoulder grooves caused by traditional heavy straps.

ISO 10993 Certified

Safety is non-negotiable. Our Wacker silicone passes strict biocompatibility tests (Cytotoxicity, Sensitization, Irritation).

Exclusive Built to Hold

Rigorous manufacturing for maximum reliability.

Deep Mold Casting

Creating the extra-deep 3D cup shape with specialized aluminum molds.

Reinforced Coating

Applying a double-layer of bio-adhesive for superior grip.

Buckle Testing

Tensile testing the front clasp to withstand 20kg of pull force.

Drop Test

Simulating wear conditions to ensure the bra stays secure during movement.

Expand Your Size Range

Inclusivity is not a trend; it’s a necessity. Capture the underserved plus-size market with our ready-to-mold solutions.

Extended Sizing

Standard: A-D Cup. Plus: D, E, F, G Cup molds available immediately.

Fabric Reinforcement

Choose stronger, low-stretch fabrics (like rigid satin or thick lycra) for the outer layer to minimize bounce.

Buckle Customization

Upgrade to heavy-duty metal clasps or reinforced magnetic closures for premium lines.

Support Wings

Add clear or fabric adhesive wings to any round cup design for hybrid stability.

Packaging Customization

Frequently Asked Questions

+ Does the adhesive hold up for G cups?
Yes. For sizes E-G, we increase the adhesive surface area and use our "High-Tack" formula. We also recommend designs with extended wings for maximum security.

+ Are they heavy to wear?
No. Our lightweight technology ensures even our G-cup bras are surprisingly light, preventing the "dragging" sensation common with silicone.

+ Can I order a mixed size run?
Absolutely. You can order a mix of sizes (e.g., 20% A-B, 50% C-D, 30% E-G) to match your customer demographic.

What is the difference between "Adhesive" and "Glue-Free"?

Standard adhesive uses a medical-grade bio-gel for strong hold. “Glue-Free” relies on body temperature and vacuum suction, ideal for users with extremely sensitive skin or silicone allergies.

How long does the stickiness last?

With proper care (washing with mild soap after use), our covers retain effective adhesion for 30+ wears.

Can I get a sample kit with all skin tones?

Yes! We offer a “Color Ring” sample kit that includes our 6 standard skin tones plus material swatches for quality testing.