Synthetic Insulation

Featured Review

Arc'teryx Nuclei FL - lightweight insulated jacket

At £250, the Nuclei FL comes in at the top end of the lightweight synthetic hoody price spectrum, but it is very warm for its weight, very light, and made to a high quality. Rebecca Ting has been practically living in hers for the last nine months. Now if only it had a two-way zip…

Latest Reviews

These are reviews from the UKC editorial team

Montane Prism Ultra Pull-On

Whether worn as a midlayer or an outer, on the move or at the belay, this lightweight insulated smock is an excellent, packable companion to have on hand for all sorts of activities where only moderate warmth is needed, says John McKenna.

Rab Cirrus Flex Vest

Gilets may not be the most exciting category of clothing, but they're really versatile, says Dan Bailey - and this lightweight synthetic insulated vest from Rab ticks all the boxes for year-round use both climbing and on the hills.

Arc'teryx Proton LT Hoody

A breathable lightweight synthetic jacket designed for active use, we've found the Proton LT equally handy both as a winter mountain midlayer and as a stand-alone outer for cool days at the crag.

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...

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...

Mountain Hardwear Super DS Climb Jacket

This hybrid jacket combines both down and synthetic insulation, and boasts an interesting woven baffle construction. But...

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...

Latest News

These are announcements direct from manufacturers

Arc'teryx Atom LT Hoody

 Atom LT Hoody - An icon evolves. Steeped in the alpine, this versatile hoody has warmed climbers, hikers, backcountry skiers and downtown commuters for over a decade.

Arc'teryx Nuclei FL Jacket

Back by popular demand after a three-year hiatus, the Nuclei FL Jacket returns to provide warmth. Made with best in class materials to deliver the greatest possible warmth-to-weight ratio that synthetic insulation has to offer.

The North Face Summit L6 FUTURELIGHT™ Belay Parka

FUTURELIGHT has been tested extensively for more than 400 continuous days by 15 members of the brand's global athlete team, proven through use in the highest peaks and harshest environments, including the Himalayas' Lhotse and...

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...

Jöttnar Launches New Elvar Jacket

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

Rab: Update your insulation in time for winter

Rab are world leaders of insulation - we have spent decades perfecting the performance of our products....

Montane Winter Range Overview

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

All Synthetic Insulation Posts

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