Ultra-breathable active insulation.

From the skin track to the summit to the fast-flowing descent. 
The Xenair Alpine Light balances warmth and breathability throughout your adventure, for insulation you can wear all day. 
10x more breathable.
The Xenair’s updated lining offers 10x more air permeability than previous versions. It works with the Pertex^® Quantum Air outer and dual weight PrimaLoft^® Gold Insulation Active+ to keep you comfortable and move moisture from the inside out.
Behind The Design

Women’s Xenair Alpine Light Insulated Jacket
Offering all-day comfort without the need to change layers, this synthetic insulation keeps you moving whatever the conditions. 
Lightweight | Warm 

Men’s Xenair Alpine Light Insulated Jacket
Ultimate versatility. Use as a technical outer on fast spring ascents or a warm, hardworking midlayer in cooler conditions. 
Breathable | Adaptable 

Women’s insulated jackets
Men's insulated jackets
We need your support.
We’re excited to share that we’re finalists in three categories for the UK Outdoor Industry Awards 2025. 
Vote below to be entered into an exclusive prize draw and help us bring these awards home. 
Vote Now

Synthetic insulation buying guide.
How to choose a synthetic insulated jacket.
Synthetic insulated jackets are lightweight, breathable, and fast-drying. Explore our guide to help you find the right one for your next adventure.
Learn More

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From the skin track to the summit to the fast-flowing descent.

The Xenair Alpine Light balances warmth and breathability throughout your adventure, for insulation you can wear all day.

10x more breathable.

The Xenair’s updated lining offers 10x more air permeability than previous versions. It works with the Pertex® Quantum Air outer and dual weight PrimaLoft® Gold Insulation Active+ to keep you comfortable and move moisture from the inside out.

Women’s Xenair Alpine Light Insulated Jacket

Offering all-day comfort without the need to change layers, this synthetic insulation keeps you moving whatever the conditions.

Lightweight | Warm

Men’s Xenair Alpine Light Insulated Jacket

Ultimate versatility. Use as a technical outer on fast spring ascents or a warm, hardworking midlayer in cooler conditions.

Breathable | Adaptable

We need your support.

We’re excited to share that we’re finalists in three categories for the UK Outdoor Industry Awards 2025.

Vote below to be entered into an exclusive prize draw and help us bring these awards home.

Synthetic insulation buying guide.

How to choose a synthetic insulated jacket.

Synthetic insulated jackets are lightweight, breathable, and fast-drying. Explore our guide to help you find the right one for your next adventure.

The Xenair’s updated lining offers 10x more air permeability than previous versions. It works with the Pertex^® Quantum Air outer and dual weight PrimaLoft^® Gold Insulation Active+ to keep you comfortable and move moisture from the inside out.