The Rab Cirrus Alpine Jacket is a versatile, lightweight synthetic insulated coat perfect for all-mountain use, offering warmth and protection in various conditions. Crafted with 100% recycled PrimaLoft Silver Insulation and a durable 30D recycled Pertex Quantum ripstop nylon shell with a DWR finish, it provides excellent loft and weather resistance. Its design mimics down insulation with zoned micro-baffle stitch-through construction, making it a reliable choice for year-round adventures from winter climbing to summer alpine excursions. The jacket features practical alpine-friendly elements such as an under-helmet hood, harness-compatible pockets, glove-friendly cuffs, an adjustable hem, and an integrated stuff sack for easy portability. Its regular fit allows for layering, ensuring comfort during activities like climbing, hill walking, mountaineering, and skiing.