Down jacket production for B2B fashion brands

  • a warm-toned blurred office meeting scene
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  • A person writing in a notebook at a table with a glass of water, lit by natural sunlight.
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  • a warm-toned blurred office meeting scene
  • Abstract blurred background
  • A person writing in a notebook at a table with a glass of water, lit by natural sunlight.
  • A colourful building

W L SIWIK is a garment manufacturer specialized in down jackets and outerwear.

We support brands with technical preparation, material and component management, bulk production, quality control, packing, labeling and shipment.

We do not design collections. We work on the client’s tech packs and take responsibility for turning technical documentation into finished garments.

OUR PRODUCTION PRINCIPLES:

One responsibility

The client has one production partner and one point of contact. We coordinate technical, production, warehouse, quality control and logistics teams to keep the project on schedule.

Precision in down

Down production does not tolerate shortcuts. We focus on sewing technology, chamber construction, filling verification, material quality and final inspection.

Seasonal reliability

We are organized for seasonal B2B production: planning, capacity management, reporting, quality control and shipment preparation.

Smiling man

From the founder

“We started with a simple idea: to be a production partner that brands can rely on without having to manage every detail themselves. After two decades of working with down garments, we know that quality comes from consistency — from incoming material control to the final inspection before shipment. This approach has built our client relationships and continues to guide the way we work.”

Wojciech Siwik

Founder & CEO

Smiling man

From the founder

“We started with a simple idea: to be a production partner that brands can rely on without having to manage every detail themselves. After two decades of working with down garments, we know that quality comes from consistency — from incoming material control to the final inspection before shipment. This approach has built our client relationships and continues to guide the way we work.”

Wojciech Siwik

Founder & CEO

Smiling man

From the founder

“We started with a simple idea: to be a production partner that brands can rely on without having to manage every detail themselves. After two decades of working with down garments, we know that quality comes from consistency — from incoming material control to the final inspection before shipment. This approach has built our client relationships and continues to guide the way we work.”

Wojciech Siwik

Founder & CEO

OUR HISTORY

Over 20 years of garment manufacturing

For more than two decades, we have developed our production organization around technical discipline, reliable execution and long-term cooperation with B2B fashion brands.

Down jacket specialization

Our strongest category is down outerwear. We have produced over 1,000,000 down jackets and continue to refine the process around construction, filling control, sewing quality and logistics.

Today

W L SIWIK works as a full-package production partner: from client tech pack and sampling to materials, manufacturing, quality control, packing, labeling and shipment.

Our clients

Our clients

Global shipment section We prepare shipments for clients in Poland and abroad

Finished garments are packed, labeled and prepared according to the client’s logistical requirements. We organize transport to the indicated warehouse and support shipment documentation.

  • Map Image

Global shipment section We prepare shipments for clients in Poland and abroad

Finished garments are packed, labeled and prepared according to the client’s logistical requirements. We organize transport to the indicated warehouse and support shipment documentation.

  • Map Image

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