• Nylon
• Ultralight Weight for Fast & Light Adventures | Groundbreaking sleeping bag built for summer alpinism, backpacking, trekking, and mountaineering.
• 900-Fill Down Insulation | Ultra-lofty down designed with a Nikwax hydrophobic (fluorocarbon-free) finish to retain its lofty warmth in wetter, damper climates.
• Atmos Fabric | Rab’s lightest, most packable fabric is used in the outer and liner; the outer is durably water-resistant, and the liner features TILT to reflect your body warmth back your way.
• Alpine-Ready Features | 1/8-length YKK main zipper; adjustable hood; ergonomically-shaped hood, footbox, and internal collar; dry bag compression stuff sack included.
• Specs | [Best Use] Mountaineering, Trekking; [Temperature Rating] (Comfort) 44F, (Sleep Limit) 32F, (Extreme) 10F; [Weight] 15.5oz; [Insulation] 900-Fill Down; [Outer] 10D Recycled Atmos, Fluorocarbon-Free DWR; [Pack Size] 12.6in x 6.3in