Rab Alpine Bivi

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The Rab Alpine Bivi combines cutting-edge fabric technology with ultralight design for serious alpine adventurers. Its 15D Pertex® Shield Air fabric features nanoscale fibres that actively reduce condensation, keeping you dry and comfortable through the night. With a robust 15000mm HH waterproof rating and 0.8 CFM breathability, it sheds weather while managing internal moisture. Built for durability, the bathtub base and taped seams guard against water ingress even under compression. The generously sized zipped entry with storm flap ensures all-weather protection and easy access. At just 440g, the sculpted cut maximises usable space without excess weight—230cm length and 80cm shoulder width fit most sleepers efficiently. Pack it down to a mere 25cm x 12cm and you've got the perfect shelter for fast-moving alpine expeditions where every gram counts. Designed for climbers and mountaineers who refuse to compromise between protection and mobility. Rab Alpine Bivi Features: Air-permeable waterproof upper fabric for high levels of comfort Bathtub base with taped waterproof seams Sculpted shape to save weight Zipped main entry with external rain flap 230cm length x 80cm shoulder width Packed size: 25cm x 12cm Main - Pertex Shield Air 15D polyamide 3L ripstop with PU membrane and polyamide backer/ 90gsm/ HH: 15,000mm/ MVTR: 20,000 g/m2/24 hours/ DWR Lining - 40D ripstop nylon with PU coated back / 108gsm / HH: 10,000mm / DWR Show more