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Advnture
Advnture
Julia Clarke

Rab's award-winning new Cirrus Ultra Insulated hoodie is its lightest and warmest loose-fill synthetic jacket yet

Mountaineers wearing the Rab Cirrus Ultra Hoodie.

British outdoor brand Rab has launched its "lightest and warmest" synthetic loose fill jacket to date, just in time for harsh winter weather.

The Cirrus Ultra Hoody has already won an award from the Outdoor Industries Association for its performance in extreme winter conditions. Where even the best down jackets can fail in wet conditions, this jacket relies on bodymapped PrimaLoft  ThermoPlume+ synthetic insulation to keep you warm on winter adventures such as mountaineering. PrimaLoft closely mimics down’s lofting properties and resists clumping, even after washing, which means you'll stay warm even in a wet winter storm.

Additionally, the jacket is equipped with Rab’s heat-reflective TILT technology, which works in the same way as emergency blankets do to reflect your body heat back to you.

If you do meet with wet winter weather, the Pertec Quantum Pro Fabric is treated with fluorocarbon-free DWR to help deflect the elements and makes this jacket highly windproof.

The Pertec Quantum Pro Fabric is treated with fluorocarbon-free DWR to help deflect the elements (Image credit: Rab/ Equip Outdoor Technologies Ltd)

A helmet-compatible hood with stiffened peak offers increased protection for ice climbing and ski touring, and a durable design stands up to the toughest of adventures. That's a lot of protection packed into a design that tips the scale at 548 grams for a men's medium, and 494 grams for a women's size 10.

Rab is an industry leader in sustainability, and the Cirrus Ultra uses PFAS-free 100% post-consumer recycled material in the insulation as well as the lining and the total recycled content of this jacket is 87%.

The Rab Cirrus Ultra Hoody is available now in both men's and women's sizing for $265 / £230.

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