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Olt Underwear –
Seamless. Stylish. Custom.

OEM & ODM manufacturer of premium seamless and sewn underwear for women, men, and girls. Trusted by global brands since 1995.

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What We Do

We are committed to customizing the latest underwear products for global customers with precision, quality, and innovation.

Women’s Underwear

From seamless bras to thongs and yoga pants, we deliver comfort, style, and support in every stitch.

Men’s Underwear

Modern boxers and briefs designed for breathability, durability, and all-day comfort.

Girl’s Underwear

Soft, safe, and stylish designs tailored for young girls, combining comfort with growing confidence.

Our Products

Discover our wide range of seamless and sewn underwear, crafted with precision and designed for global markets.

High Elastic Plunge Seamless Bra 2004

High Elastic Plunge Seamless Bra 2004

Smooth, invisible under tight clothing with maximum support and comfort.

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Lace Front Button Underwire Bra 051

Lace Front Button Underwire Bra 051

Elegant lace with front button detail for a romantic, vintage-inspired look.

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Lace Triangle Bralette Bra 7303B

Lace Triangle Bralette Bra 7303B

Delicate lace with soft triangle cups for everyday elegance and comfort.

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Lace Widen Underwire Bra 096

Lace Widen Underwire Bra 096

Wider band and lace detailing offer enhanced support and breathability.

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Laser Cutting Plunge Seamless Bra 2002

Laser Cutting Plunge Seamless Bra 2002

Invisible edges with laser-cut technology for a sleek, modern fit.

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Mesh Lace Underwire Bra 188

Mesh Lace Underwire Bra 188

Breathable mesh with floral lace overlay for a sensual, supportive fit.

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Smooth Crossover Back Half-Cup Underwire Bra 235

Smooth Crossover Back Half-Cup Bra 235

Half-cup design with crossover back for lift and modern style.

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Triangle Bralette Bra 7303A

Triangle Bralette Bra 7303A

Minimalist triangle shape with soft fabric for a natural silhouette.

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Why Choose Olt Underwear?

With over 25 years of experience, we deliver quality, reliability, and innovation in every product.

25+ Years Experience

Established in 1995, we’ve mastered seamless and sewn underwear production for global markets.

OEM & ODM Expertise

From concept to delivery, we handle full product development with precision and speed.

Quality Assurance

Rigorous quality control ensures every product meets international standards.

Global Reach

Trusted by brands in the US, UK, Spain, Australia, and beyond.

Fast Turnaround

Efficient logistics and guaranteed delivery timelines keep your business moving.

Responsive Support

Timely communication, even across time zones, ensures smooth collaboration.

Olt Underwear Factory

About Olt Underwear

Oulaiting was established in 1995 in Changan Town, Dongguan – just one and a half hours from Hong Kong. As a leading OEM and ODM manufacturer, we specialize in the design, development, production, and sales of seamless and sewn underwear.

With two decades of industry expertise, we serve high-standard markets including the US, Spain, the UK, and Australia. Our commitment to quality, innovation, and mutual benefit has made us a trusted partner for global fashion brands.

  • Specialized in seamless & sewn underwear
  • Full in-house R&D and prototyping
  • Certified production with CSR compliance
  • Direct factory pricing and scalable production

Our Service Process

From idea to delivery, we guide you through every step with professionalism and care.

1

Research & Design

2

Prototyping

3

Manufacturing

4

Quality Management

5

Logistics

6

After-Sales Service

What Our Clients Say

Trusted by thousands of global partners.

"Although we are in the United States, there is a serious time difference with the factory. But every time I send an email, I get their timely response, which greatly reduces our communication cost."

– Hani

"We just need to send the design drawings and fabric requirements. The development team provides solutions quickly and develops products we’re satisfied with."

– John

"We’ve cooperated with Oulaiting for 5 years. The quality has been very stable. Goods arrive at the warehouse without needing repairs."

– Kiki

Frequently Asked Questions

Do you offer custom designs?

Yes, we specialize in OEM and ODM services. Share your design, and we’ll handle prototyping and production.

What is your minimum order quantity (MOQ)?

MOQ varies by product type and customization. Contact us for specific details based on your needs.

Which countries do you ship to?

We ship globally, with primary markets in the US, UK, Spain, Australia, and across Europe and Asia.

Are your products certified?

Yes, our factory holds certifications ensuring compliance with international quality and social responsibility standards.

Latest From Our Blog

Stay updated with industry trends and styling tips.

What is a good bra to wear in the summer? 5 bra recommendations

In the hot summer season, girls wear thin straps of ruffled halter dresses, tight tank tops, colorful T-shirts, and crisp white linen shirts. But do you know which bras are best suited for these outfits? We break down 5 top choices for comfort and invisibility.

Read More →

Get in Touch

Have questions or ready to start your custom order? Reach out to us today.

Email: [email protected]

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