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Cortazu
Delta INS Shell Jacket everyday warmth

Our newest and warmest 3-layer hardshell jacket, with insulation. It’s warm, waterproof (30,000mm), and breathable. It keeps you dry and comfortable during the cold days. Made from 100% recycled face fabrics with 80g featherless Sorona® insulation, which is 37% biobased renewable insulation.

Cortazu
Barrier CT™ 16+ performance features

Stay dry and comfortable in demanding weather. Barrier CT™ combines complete waterproof protection with 20,000 g/m²/24h breathability while blocking wind. Its face fabric is 100% recycled and finished with a PFAS-free durable water-repellent treatment.

Cortazu
warm & waterproof made for winter

A hardshell is designed to provide dependable protection from wind, rain, and snow while remaining breathable during active use. Built as a versatile outer layer for changing weather and demanding conditions.

Cortazu
Recycled & PFA/PFO free Sustainably made

We make high-performance outdoor gear from recycled, quality materials, built to last, not to be replaced. Every product is designed to reduce impact and go the distance.

We’re transparent about our progress and committed to protecting the outdoors. We’re B Corp certified and a member of 1% for the Planet.

For every product sold, we regreen 100 m² with Justdiggit.

Cortazu

Barrier CT™

Proven technology. Independently tested.

Industry-leading performance

We create our own fabric technologies with specialist suppliers.

Field-tested in real conditions
Performance is verified by an independent laboratory and field-tested in real-world conditions.

Independently proven performance
We publish the full results, so you know exactly what your gear is built to withstand.

Learn More

Compare Insulated Shell Jackets

Activity

Every Day

Every Day & Skiing

Every Day

Warmth

Featherless Sorona® 80g 37% biobased renewable

Featherless Sorona® 80g 37% biobased renewable

Featherless Sorona® 80g 37% biobased renewable

Fit & size

Regular fit

Regular fit

Regular fit

Features

17+ Features

  • Featherless Sorona® 80g 37% biobased renewable
  • Removable snow skirt
  • Chest pocket with a zip
  • Two hand pockets
  • Sleeve pocket for RFID pass
  • Internal mesh pocket
  • Helmet compatible
  • Easy to adjust at 3 places
  • SBS Waterproof zippers
  • Pit zips for ventilation
  • Recco® Rescue System for emergency situations
  • Polygiene StayFresh™ technology to minimize odor

16+ Features

  • Featherless Sorona® 80g 37% biobased renewable
  • Two hand pockets
  • Sleeve pocket for RFID pass
  • Internal mesh pocket
  • Internal zip pocket
  • Helmet compatible
  • Easy to adjust at 3 places
  • Waterproof SBS zippers are used on all zippers
  • Pit zips for ventilation
  • Polygiene StayFresh™ technology to minimize odor

17+ Features

  • Featherless Sorona® 80g 37% bio-based renewable
  • Two hand pockets
  • Two Internal pockets
  • Helmet compatible
  • Easy to adjust in 3 places
  • Waterproof SBS zippers are used on all zippers
  • Polygiene StayFresh™ technology to minimize odor
Waterproof

25.000 mm

30.000 mm

20.000 mm

Breathability

20.000 g

20.000 g

20.000 g

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