Ascent Down Sleeping Bag (-18°C)

The Rab Ascent Down Sleeping Bag (-18°C) is a warm, wide mummy bag built for cold-weather trekking and backpacking. Available in 2 lengths, it is filled with 650FP European duck down and wrapped in windproof Pertex® Quantum, it balances warmth, comfort and packability. Hand-filled in the UK, it delivers reliable mountain performance when uninterrupted rest matters most.

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Features

• 650FP European duck down with fluorocarbon-free hydrophobic finish

• L.O.F.T™ baffle construction for maximum warmth-to-weight ratio

• Wide mummy fit allows extra layers in colder conditions

• Sidewall baffles reduce cold spots for side sleepers

• Windproof 20D Pertex® Quantum ripstop outer

• Recycled 20D nylon lining for next-to-skin comfort

• Two-way YKK® ¾ length main zip with synthetic-filled baffle

• Secondary short zip with snap closure for arm use while retaining heat

• Synthetic insulated neck collar seals in warmth

• Anatomically shaped foot box for relaxed sleeping position

• Internal zipped stash pocket for valuables

• Anti-snag zip guard and insert

• Internal cordlocks positioned for side sleeping comfort

• Supplied with drawcord stuff sack and zipped storage sack

• Hand-filled in Derbyshire, UK

Measurements	Regular	Long
Sleeping bag length	215cm	230cm
Max user height	185cm	200cm
Internal shoulder girth	170cm	172cm
Internal hip girth	140cm	142cm
Internal foot girth	108cm	110cm