A down sleeping bag that prioritises practicality for explorers who value reliable warmth and comfort in cooler conditions.

The Rab Ascent -12C Sleeping Bag is crafted for mountain adventures with it being able to deliver warmth in temperatures as low as -12°C.  Providing insulation, durability and packability this versatile sleeping bag is an essential for multiday trips. 

Desgined with 650FP duck down the Rab’s L.O.F.T baffle construction this bag provides warmth without the bulk whilst minimising cold spots. The outer shell uses 20D Pertex® Quantum nylon ripstop with a DWR finish that offers wind and water protection for enhanced practicality. 

With its wide mummy shape, roomy foot box and hood this sleeping bag guarantees a good night sleep no matter the conditions. Finished with an internal stash pocket, anti-snag YKK® zip system, and dual storage sacks this sleeping bag delivers everything you need for every overnight trip.

• Sidewall baffle construction for increased down loft and greater side sleeping comfort
• Anatomically fitted hood with drawcord adjustment to maximise comfort and heat retention
• Internal cordlocks positioned below the collar bone for greater side sleeping comfort
• YKK® zipped internal stash pocket
• 3D shaped neck collar with recycled Stratus™ insulation
• 2-way YKK® 3/4 length main zip with synthetic-filled baffle
• YKK® anti-snag zip insert and anti-snag internal zip guard
• Anatomically shaped foot box for relaxed sleeping posture
• L.O.F.T™ baffle technology reduces down migration, optimising heat retention and pack size
• Drawcord stuff sack included
• Zipped storage sack with water-resistant base for home storage
• Wide mummy shape
• YKK® zipped arm access vent with integrated snap closure to retain heat during tent-based tasks
• Lining: 20D nylon, 38g/m²
• 20D Pertex® Quantum nylon ripstop (38g/m²) with DWR
• 650FP European duck down with Grangers hydrophobic finish (680 g / 24.0 oz)
• 100% Woven Polyamide Shell 
• Weight: 1350 g / 2 lb 15.62 oz
• Length: 215 cm / 84.6 in
• Comfort: -5°C (23°F)
• Limit of comfort: -12°C (10°F)
• Extreme: -33°C (-27°F)