RabAscent 0C / 32F - Sleeping bag

The Ascent 0C / 32F sleeping bag by Rab is the perfect companion for your nights in the wild when you're looking to combine comfort and performance. Designed to provide optimal insulation even in mild weather, it features L.O.F.T™ technology that reduces down migration and maximizes heat retention, along with a compact size when packed. Its wide mummy shape and spacious footbox allow for a relaxed sleeping posture, while the side baffle construction increases down loft and comfort for side sleepers.

Every detail of the Ascent sleeping bag is designed to enhance your outdoor experience. Its anatomically adjusted hood with a drawstring optimizes comfort and heat retention. The internal drawcords, strategically positioned under the collarbone, provide extra comfort for side sleepers. A 3D collar in recycled Stratus™ and an internal YKK® zippered pocket add welcome practical elements. Additionally, the main 3/4 double-sided zip, equipped with a synthetic draft tube, ensures snag-free closure thanks to YKK® anti-snag technology.

Perfect for summer camping getaways or spring bothy adventures, this sleeping bag is a reliable choice. Weighing 940 g and filled with 650FP European duck down treated with a fluorocarbon-free hydrophobic finish, you are assured of a restful sleep.

• L.O.F.T™ baffle technology reduces down migration, thus optimizing heat retention and pack size.

• Side baffle construction for increased down loft and superior side sleeping comfort

• Anatomical hood with drawstring for optimal comfort and heat retention

• Internal drawcords positioned under the collarbone provide greater comfort when lying on the side.

• Internal YKK® zippered pocket

• 3D-shaped collar with recycled Stratus™ insulation

• Main YKK® double-sided 3/4 zipper with a padded synthetic draft tube

• YKK® anti-snag zipper insert and internal anti-snag zipper guard

• Anatomically shaped footbox for a relaxed sleeping posture

• Drawstring stuff sack included

• Zipped storage sack with water-resistant base for home storage

• Hand-filled in Derbyshire, UK

• Wide mummy shape

• YKK® arm vent zipper with integrated snap closure to retain warmth during in-tent activities

• Temperature rating in accordance with ISO 23537-2:2022

• Pertex® Quantum 20D ripstop nylon (38 g/m²) with durable fluorocarbon-free water repellent treatment

• Lining: Recycled 20D nylon, 38 g/m²

• 650FP European duck down with fluorocarbon-free hydrophobic finish by Grangers (285 g / 10.1 oz)

• 100% woven polyamide shell, down-filled sleeping bag

• Weight: 940 g