Rab Cirrus Alpine Jacket - Lightweight Insulated Climbing Coat, Tempest Blue XL

Meet the Rab Cirrus Alpine Jacket, a lightweight insulated layer built for climbers and mountaineers who move fast and face changing weather. In Tempest Blue and available in XL, this jacket aims to balance warmth with streamlined mobility for alpine days from sunrise to sunset. It’s designed to layer over mid-layers or under a shell, adapting as conditions shift throughout the day.

Designed with eco-conscious materials and a rugged outer shell, the Cirrus Alpine Jacket delivers reliable warmth without adding bulk. The lightweight silhouette supports versatile use—on quick ascents, belay breaks, or hut-to-hut treks—while remaining easy to pack and carry in a day pack.

Materials & protection

• Environmentally conscious build uses recycled fabrics and recycled insulation for warmth with a smaller footprint.
• Pertex Quantum ripstop outer fabric adds durability and wind resistance against light snow and gusts.
• PrimaLoft Silver insulation provides breathable warmth suitable for high-output activities.
• Two zippered hand pockets, one internal pocket, and a stuff sack included for secure, convenient storage.

Design & comfort

• Elasticated under-helmet hood and stretchy low-profile cuffs help seal in warmth while staying comfortable under a helmet or with a layered setup.
• Adjustable hem lets you dial in warmth and fit as you add or shed layers.
• Lightweight construction supports easy layering and agile movement on approaches, crags, and summit days.

In real-world use, the Cirrus Alpine Jacket offers a responsive warmth profile for cooler climbs, belay breaks, or post-climb cooling-down sessions. The Tempest Blue color adds visibility on foggy ridgelines, while the recycled materials align with a sustainability-minded approach to mountaineering gear.