• Rab’s Warmest | An ultralight, ultra-warm down insulator designed for winter mountaineering, hiking, and alpine climbing.
• 900-Fill Down | Touting Rab’s greatest weight-to-warmth ratio, this 900-fill down insulation is the loftiest and lightest as well as warmest.
• Hydrophobic Finish | Nikwax finish offers hydrophobic protection to keep the down lofty and warm in wet weather.
• Pertex Quantum Shell | Pertex Quantum is windproof, water-resistant, breathable, and 100% recycled.
• Mountain-Ready Features | Helmet-compatible hood with internal adjustment and stiff brim, hem adjustment, offset box wall baffles, stitch-through sleeves and hood, YKK zippers, and elastic cuffs.