Nunatak Fleece Zip


Color: Black
Size

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Whether you’re heading for the court or playing a round, the Nunatak Fleece Jacket’s got you covered. The stand-up collar and tech fleece lend a cozy feel to this piece that is made in New York City. Oh, and it will biodegrade when discarded.  Because we aim to preserve our earth and all the nunataks on it.

Features:

  • Sporty look for pre- and post-workout
  • Stand-up collar adds warm style 
  • Zip pockets on the hip and bicep
  • 100% biodegradable

100% Ciclo Recycled Polyester

Fabric

81% CiCLO Polyester, 14% Lyocell, 5% Spandex

Sustainability

Tested, Tried & True: Independently lab-tested free from BPA and PFAS. Most brands won’t claim this — because they can’t.

Biodegradable Innovation: We use CiCLO®-enabled yarns—certified by ECO PASSPORT by OEKO-TEX®—that allow yarns like nylon and polyester to biodegrade in the environment more like natural fibers. Instead of persisting for centuries, these yarns break down in a matter of years when exposed to landfill or ocean conditions.

Definite Articles performance socks

Get To Know Our Yarn

DA Performance Standard

Feel

Cushioned sole, mid compression, comfort +

Best For

Gym, running, tennis, all-day wear

Fabric

BCI Cotton, CiCLO Nylon, CiCLO Poly

Technology

CiCLO® biodegradable yarn

Premium performance yarns sourced from a family-owned mill in the U.S. — independently tested free from BPA, PFAS, and 50+ harmful substances. Engineered to last over 10,000 miles. Our standard is non-detect: if the lab's instruments can find it, we don't use it.

BPA-Free PFAS-Free Non-Detect Tested Plastic Negative

Independently tested to non-detect. Every result available to you. See our standards →