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Nau Synfill Sweater

Style #058m01 Nau donates 2% to the partner of your choice = $2.00

Smooth as satin with a dapper drape, the Cocona and recycled poly blend of this simple silhouette allows it to feel like a feather and perform like a durable piece of equipment.

Synfill Sweater
$200 $100 $200
Color: Leaf
  • 002
  • 336
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The recycled polyester fill using Cocona® technology is paired with a recycled poly shell making this lightweight sweater a durable, insulated shell or layer. With its ability to dry more quickly than our goose down sweaters, easy compressibility and odor management, this sweater does what you need it to do.

  • INSULATION: 60 gm recycled polyester with Cocona technology for quick-dry and odor management.
  • Teijin® recycled polyester shell is recycled and recyclable.
  • Offset reverse coil DWR front zip with wind flap for increased neck protection.
  • Two front zip hand pockets, one left chest zip pocket.
  • One zip internal pocket.
  • Internal elastic cuffs.


Machine wash cold (up to 86° f.), delicate cycle, extra rinse cycle, tumble dry low, do not dry clean, no bleach, no iron.

Fabric Details:

Shell and lining: A supple, 100% recycled polyester micro ripstop, and treated with durable water repellent finish for weather protection. INSULATION: a lightweight 60 gram recycled polyester fiberfill treated with Cocona® technology which allows us to make a warmer, slim profile sweater.

Fabric Source: Japan
Production: China

The recycled polyester fabric was developed in partnership with Teijin, the fabric supplier behind ECOCIRCLE® technology, which produces fabric from a blend of post-consumer and post-industrial polyester waste.

According to Teijin, ęCollected polyester products are disintegrated to the molecular level, and then recycled into fibers of the same quality as ones made of oil. Because of this processing, we can avoid degrading quality which has been an issue of conventional recycling technology based on physical processing. In addition, because our technology allows us to use the same material as many times as we want, this reduces the consumption of oil resources and waste materials. Moreover, compared to manufacturing raw polyester materials from oil, it is possible to reduce both energy consumption and CO2 emission by about 80%."

As a result of this proprietary process, at the end of its long life, the Synfill Sweater can be returned to us and recycled into polyester fibers for reuse.


COCONA® Insulation uses the activated carbon derived from the industrial waste of coconut husks. By blending COCONA® with recycled polyester, we are able to increase the surface area of the insulation allowing it to dry faster and resist odors. And carbon, being dark in color, is able to absorb more heat. In the end, the Synfill Sweater retains heat, dries faster, resists odors and provides a higher warmth-to-weight ratio than other synthetic insulations—and it's created from a recycled resource.

The Nau and Forever Guarantee:

If one of our products fails to satisfy you at the time you receive it, or does not perform to expectations during its long lifetime, simply return it to us. We'll replace it, repair it, issue a credit or extend a refund.

Because we build sustainability into everything we make, our products are designed to have a long lifespan, longer sometimes than their usefulness to a single person. For this reason, we guarantee them to be free of manufacturer defects whether you're the first, second or simply most recent owner. Hand it down, pass it on, give it away: we'll warranty a product until normal wear and tear run their course. Please understand that we can not guarantee products employed for purposes other than their intended use, and that even under the best circumstances, we do expect they'll wear out before you do.

If you do need to return a product to us, call us at 877-454-5628 or email us at for instructions.

Whenever you send an item to us for an exchange or credit, it's best to use a shipping method that will provide you with a tracking number and delivery confirmation. Please keep in mind Nau will not be responsible for goods that are lost or stolen in transit. Be sure to include your daytime phone, email address, mailing address and a short explanation of the problem we need to address (photos are helpful too). If we do need to send you a replacement, we'll pay the shipping.

If you have a warranty item that can not be repaired, and there is no proof of purchase, we will replace it. If there is no proof of purchase and we no longer make the item, we will issue a credit in the amount of the last sale price.  The care label must be intact on all warranty replacements.

why nau?
At nau, our goal is to use design to redefine business so that it can be a force for change. We do this by making sustainability and philanthropy inherent in everything we do; by blending the tailored and the technical to craft urban and outdoor performance apparel; by pioneering premium, eco-friendly fabrics; and crafting clean, intuitive silhouettes that are
built to move.
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