Manufacturer:
The Rab Ascent -6°C Sleeping Bag is a 650FP down trekking sleeping bag built for reliable 3-season mountain use. Featuring a wide mummy fit, Pertex® Quantum outer and L.O.F.T™ baffle construction, it maximises warmth-to-weight efficiency. With a Limit of Comfort rating at -6°C and hydrophobic duck down insulation, it delivers dependable protection in cold and damp conditions. Ideal for backpacking, camping and regular mountain use.

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The Rab Ascent -6C Sleeping Bag is a versatile down sleeping bag engineered for trekking and backpacking where comfort, thermal efficiency and packability are critical. Filled with 650FP European duck down treated with a fluorocarbon-free hydrophobic finish, it delivers reliable loft and moisture resistance in damp mountain conditions. Constructed with windproof 20D Pertex® Quantum ripstop and L.O.F.T™ baffle technology, it maximises warmth-to-weight ratio while minimising cold spots. The wide mummy shape provides additional internal volume for side sleepers and for layering in colder conditions. Hand-filled in the UK to preserve loft integrity, this bag offers dependable 3-season performance with a Limit of Comfort rating at -6°C. Designed for regular mountain use, it balances insulation, durability and compressibility without unnecessary bulk.

Features:
650FP European duck down with fluorocarbon-free hydrophobic treatment
L.O.F.T™ alternating baffle construction for enhanced warmth-to-weight efficiency
Wide mummy fit for comfort + layering space
Sidewall baffles reduce cold spots
Windproof 20D Pertex® Quantum ripstop outer (38g/m²)
Recycled 20D nylon lining (38g/m²)
Two-way YKK® ¾-length main zip with synthetic-filled baffle
Secondary arm zip with snap closure for ventilation + cooking access
Synthetic insulated neck collar
Anatomically shaped foot box
Internal zipped stash pocket
Anti-snag zip guard + insert
Internal cordlocks positioned for side-sleep comfort
Drawcord stuff sack + zipped storage sack included
Hand-filled in Derbyshire, UK

Specifications:
Weight: 1200g / 2lb 10.3oz
Packed Size: 20cm x 35cm (7.9in x 13.8in)
Shape: Wide Mummy
Insulation: 650FP European duck down
Outer Fabric: 20D Pertex® Quantum nylon ripstop (38g/m²)
Lining: Recycled 20D nylon (38g/m²)
Ideal For: Trekking, Backpacking, Camping

ISO Temperature Ratings:
Comfort: 0°C
Limit of Comfort: -6°C
Extreme: -24°C

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The Rab Ascent -6C Sleeping Bag is a versatile down sleeping bag engineered for trekking and backpacking where comfort, thermal efficiency and packability are critical. Filled with 650FP European duck down treated with a fluorocarbon-free hydrophobic finish, it delivers reliable loft and moisture resistance in damp mountain conditions. Constructed with windproof 20D Pertex® Quantum ripstop and L.O.F.T™ baffle technology, it maximises warmth-to-weight ratio while minimising cold spots. The wide mummy shape provides additional internal volume for side sleepers and for layering in colder conditions. Hand-filled in the UK to preserve loft integrity, this bag offers dependable 3-season performance with a Limit of Comfort rating at -6°C. Designed for regular mountain use, it balances insulation, durability and compressibility without unnecessary bulk.

Features:
650FP European duck down with fluorocarbon-free hydrophobic treatment
L.O.F.T™ alternating baffle construction for enhanced warmth-to-weight efficiency
Wide mummy fit for comfort + layering space
Sidewall baffles reduce cold spots
Windproof 20D Pertex® Quantum ripstop outer (38g/m²)
Recycled 20D nylon lining (38g/m²)
Two-way YKK® ¾-length main zip with synthetic-filled baffle
Secondary arm zip with snap closure for ventilation + cooking access
Synthetic insulated neck collar
Anatomically shaped foot box
Internal zipped stash pocket
Anti-snag zip guard + insert
Internal cordlocks positioned for side-sleep comfort
Drawcord stuff sack + zipped storage sack included
Hand-filled in Derbyshire, UK

Specifications:
Weight: 1200g / 2lb 10.3oz
Packed Size: 20cm x 35cm (7.9in x 13.8in)
Shape: Wide Mummy
Insulation: 650FP European duck down
Outer Fabric: 20D Pertex® Quantum nylon ripstop (38g/m²)
Lining: Recycled 20D nylon (38g/m²)
Ideal For: Trekking, Backpacking, Camping

ISO Temperature Ratings:
Comfort: 0°C
Limit of Comfort: -6°C
Extreme: -24°C

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