Synthetic Insulation


Featured Group Test

Synthetic jackets group test montage  © UKC Gear

Group Test Midweight Synthetic Insulated Jackets

Balancing lightness, warmth, weather resistance & breathability, a midweight synthetic jacket is the most versatile of insulation. We've put 11 models head to head in search of the best all-rounders.


Latest Reviews

These are reviews from the UKH editorial team

Making a chilly belay bearable... just  © Kevin Woods

Rab Photon Pro Jacket

A midweight synthetic insulated jacket aimed at Scottish winter, the Photon Pro would be ideal for snowy hill walks, fast moving mountaineering, or climbs within your comfort zone where belays don't usually take hours. But is it warm enough if you...

Feeling glad I packed it on a windy summer bivvy  © Dan Bailey
Feeling glad I packed it on a windy summer bivvy  © Dan Bailey

Montane's New Prism Jacket

With its excellent active cut and well-considered set of features, the Prism is a superb light synthetic insulated jacket at a price it's hard to argue with. Dan Bailey admits to being a big fan.

Testing the Super DS Climb Jacket on a breezy Skye evening  © Dan Bailey
Testing the Super DS Climb Jacket on a breezy Skye evening  © Dan Bailey

Mountain Hardwear Super DS Climb Jacket

This hybrid jacket combines both down and synthetic insulation, and boasts an interesting woven baffle construction. But is it a climbing jacket or something more general purpose? Neither Dan Bailey nor Mountain Hardwear really seem to know.

The Icarus Flight features a compact hood and a 'mountain fit'   © UKC Gear
The Icarus Flight features a compact hood and a 'mountain fit'   © UKC Gear

Montane Icarus Flight

Maybe it's the good cut, maybe it's the breathability, or maybe it's the balance between insulation and airflow - but there's just something...

It's good as 'active insulation' in winter conditions  © Martin McKenna
It's good as 'active insulation' in winter conditions  © Martin McKenna

The North Face Summit L3 Ventrix Hoodie 2.0

While The North Face describe the Ventrix Hoodie as a midlayer, you could equally call it a thin jacket. It's hard to...

Salewa Ortles jacket montage  © Dan Bailey
Salewa Ortles jacket montage  © Dan Bailey

Salewa Ortles TirolWool Celliant Jacket

A blend of wool and synthetic insulation, this jacket promises the best of both. But does its fit live up to its fill,...

Cirrus Flex 1  © Charlie Low
Cirrus Flex 1  © Charlie Low

Rab Cirrus Flex Jacket

This lightweight synthetic duvet is a versatile insulating layer that's well suited to the UK's damp climate, says Charlie Low


Latest News

These are annoucements direct from manufacturers

Proton LT Action  © Arc'teryx

Arc'teryx Proton LT Hoody

The Proton LT Hoody is equipped with a breathable insulation package to manage the dynamic needs of mountain pursuits and perform as a self-regulating mid layer for a variety of high output activities.

Jöttnar Launches New Elvar Jacket

Jöttnar introduces its brand new Elvar jacket as part of its Winter 2018/19 range launch.

Parma Ham  © Rab
Parma Ham  © Rab

Rab: Update your insulation in time for winter

Rab are world leaders of insulation - we have spent decades perfecting the performance of our products. Harnessing years of experience in the mountains, this winter the innovation continues as we carry out an extensive revision to both our...

Montane Winter Range Overview

Highlights of Montanes Winter Range, including innovative new insulation, shell, and mid-layers.

Summit L3 Ventrix™ 2.0 Hoodie Action 2  © The North Face
Summit L3 Ventrix™ 2.0 Hoodie Action 2  © The North Face

The North Face Summit L3 Ventrix™ 2.0 Hoodie

Your new alpine workhorse, this synthetic-insulated mid layer features our cutting-edge dynamic-venting...

Micro Puff Jacket  © Patagonia
Micro Puff Jacket  © Patagonia

Introducing The Patagonia Micro Puff™ Collection

The Micro Puff™ Collection was created for days when you need one piece of insulation to do it...

Atom SL Lifestyle 1  © Arc'teryx
Atom SL Lifestyle 1  © Arc'teryx

Arc'teryx Atom SL Vest

Minimalist insulation for warmer days - versatile, breathable warmth. Ideal for multitude of active summer pursuits, from rock...


All Synthetic Insulation Posts

Title Type Brands Date