PrimaLoft® Classic Series

I-3016

ThermoPlume® InsulationThermoPlume® Insulation

A unique blend of fibers that delivers the look and feel of down, with reliable warmth in wet conditions.

Down-Like Feel + Aesthetic

Warm when Wet

Vegan Friendly

Warmth without Weight

Close-up of white insulation feathers scattered on a black background, PrimaLoft ThermoPlume.

Close-up of white PrimaLoft ThermoPlume feathers scattered on a light background.

Two hikers wearing insulated jackets walking through a snowy forest.

Overview

Lofty warmth you expect from down, with the wet weather performance of PrimaLoft.Lofty warmth you expect from down, with the wet weather performance of PrimaLoft.

ThermoPlume® insulation delivers the look, feel, and loft of natural down with the reliable warm-when-wet performance of PrimaLoft®. Its loose-fill construction creates lightweight, lofty insulation that feels exceptionally soft and comfortable while helping keep you warm when winter conditions become cold, damp, or unpredictable. From alpine pursuits and snowy trails to everyday winter wear, ThermoPlume brings together comfort, versatility, and confidence for every cold-weather adventure.

Key Features

Designed to create lofty warmth and lasting comfort.Designed to create lofty warmth and lasting comfort.

3D-rendered illustration of a soft white mound of PrimaLoft ThermoPlume insulation.

Down-Like Feel + Aesthetic

Designed to mimic the loft and appearance of natural down, ThermoPlume® creates full, lofty insulation that helps trap warmth while maintaining a lightweight feel.

All features

From alpine adventures to everyday winter wear.From alpine adventures to everyday winter wear.

Man wearing a blue insulated jacket removing the skins from his touring ski on a snowy peak, snow spraying in the air.

Related Products

An insulation for any needAn insulation for any need

Pile of white PrimaLoft ThermoPlume ReRun insulation fill, product shot.

I-3050

Down alternatives

ThermoPlume® ReRunThermoPlume® ReRun

ThermoPlume® has been specially designed to mimic the lightweight warmth, loft, softness and packability of down.

Pile of white PrimaLoft ThermoPlume insulation fill, product shot.

I-3052

Down alternatives

PrimaLoft ThermoPlume® P.U.R.E. InsulationPrimaLoft ThermoPlume® P.U.R.E. Insulation

The loft and softness of down, made using a lower-emissions manufacturing process.

Pile of white PrimaLoft ThermoPlume insulation fill, product shot.

I-3017

Down alternatives

ThermoPlume® Bio InsulationThermoPlume® Bio Insulation

The loft and softness of down, designed to return to materials found in nature.

Pile of white PrimaLoft ThermoPlume insulation fill, product shot.

I-3053

Down alternatives

ThermoPlume®+ThermoPlume®+

The look and feel of down, with reliable warmth in wet conditions.

Pile of white PrimaLoft Gold Luxe insulation fill, product shot.

I-2051

Down alternatives

Silver RISE InsulationSilver RISE Insulation

Ultra-soft, ultra-fine fibers that keep you warm, even in wet conditions.

Pile of white PrimaLoft Gold Luxe insulation fill, product shot.

I-1017

Down alternatives

Gold Luxe InsulationGold Luxe Insulation

Luxurious warmth and lasting comfort in lofty styles built for cold-weather adventures.

Powered by PrimaLoft®

Brave the elements with ThermoPlume® InsulationBrave the elements with ThermoPlume® Insulation

Man wearing an orange hooded jacket and black quilted pants, side view.

Man wearing an orange quilted jacket and black quilted pants, full-length front view.

Nike ACG Lava Flow Pant

Layer

ThermoPlume

Feat.

Down-Like Feel + Aesthetic

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Man wearing a black and charcoal quilted jacket with one hand in the front pocket.

Black and charcoal quilted pullover hoody, product shot.

Simms ExStream Pull Over Insulated Hoody

Layer

ThermoPlume

Feat.

Down-Like Feel + Aesthetic

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