Bergen technologies

Bertex^™

Norwegian insulation technology, created in 1959Four systems · one standardTested in Antarctica · −52 °C

1959

Seafarer Gustav Bergen develops the first Bertex insulation on the Norwegian coast.

Bergen is founded — by travelers, for travelers. Bertex becomes the core of every jacket.

Antarctic expedition, February. Tested at −52 °C and 80% humidity — every system passed.

FW 26 Polar Collection. Four Bertex technologies across the full range, −35 °C as standard.

Bertex 01 · Natural insulation

Select natural goose down — featherlight, warm to −35 °C, molecularly purified. Every batch certified free of bacteria and radiation.

−35 °CNatural goose downMolecularly purifiedEvery batch certified

Bertex 02 · Long-fibre insulation

Long-fibre insulation, the warmest to date. Fibres 50 times thinner than a hair keep their loft wash after wash — tested at −52 °C in Antarctica.

−52 °C tested50× thinner than hairLoft after every wash

Bertex 03 · Weather protection

A porous waterproof membrane for the harshest conditions. Moisture moves straight out, no condensation stage — dry comfort in cold and damp.

WaterproofNo condensationMoisture straight out

Bertex 04 · Microfibre insulation

Ultra-thin microfibre insulation: maximum warmth at minimum volume, following the lines of the body without bulk.

Minimum volumeUltra-thin microfibreNo bulk

	Down^™	Warmlett^™	Plume^™
Comfort temperature	−35 °C	−35 °C Tested at −52 °C	−20 °C
Weight	Featherlight Natural loft	Light Long fibre	Ultralight Microfibre
Volume	High loft	Medium loft Holds shape wash after wash	Minimal Follows the body
Made for	Deep winter	Expeditions	City and travel

Every jacket · tested beyond 66°33′ N