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Ascent -18C / 0F Tempest Blue/Maya Blue
-20% | TREK20
Ascent -18C / 0F Tempest Blue/Maya Blue + Rab

Ascent -18C / 0F Tempest Blue/Maya Blue

Extreme cold-weather sleeping bag - Ascent -18C / 0F Tempest Blue/Maya Blue - Rab - 2026

479,90 €

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Ascent -18C / 0F Tempest Blue/Maya Blue
479,90 €
delivery Home delivery from 05/06/2026
return 60 days to change your mind
Get 9,60 € off your next order.
Description

TheAscent -18C / 0F Tempest Blue/Maya Blue brand's Rab is a 4-season mummy-style sleeping bag, ideal for Bivouac and hiking in extreme conditions.

Designed to withstand extremely cold conditions, this sleeping bag offers a comfortable temperature of -18°C thanks to its natural down filling, which provides excellent protection. Its sarcophagus shape is optimized for heat retention, whilst its compact 20-litre size makes it easy to carry in a backpack. The bag has zips on both the right and left sides for greater ease of use.

Made from high-quality technical materials, this sleeping bag offers strength and durability, making it ideal for your outdoor adventures. Although not waterproof, it remains a reliable piece of kit for expeditions in all seasons, offering an excellent balance between weight, warmth and packability.

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L'Ascent -18C / 0F Tempest Blue/Maya Blue sleeping bag Rab is a 4-season Sarcophagus sleeping bag ideal for Bivouacs and Hiking in extreme conditions.

Designed to cope with the coldest conditions, this bag has a comfort temperature of -18°C thanks to its high-performance Synthetic Filling, guaranteeing warmth and insulation even in damp conditions. Its Sarcophagus shape optimises warmth retention, while its compressed 20-litre volume makes it easy to carry in a backpack. The bag has zips on both sides, right and left, for improved ergonomics in use.

Manufactured from top-quality technical materials, this sleeping bag belays your outdoor adventures with strength and durability. Although it is not waterproof, it remains a reliable piece of equipment for expeditions in all seasons, offering an excellent compromise between weight, warmth and compactness.

Ascent -18C / 0F Tempest Blue/Maya Blue
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Technical details
Sleeping bag shape
Mummy
Insulation type
Down
Use - sleeping bag
Trekking
Overview
Brand
RabRab-logo
Warranty
2
Year
2026
Season
Spring
Gender
Unisex
Product details
Weight (g)
1475
Shoulders (cm)
80
Feet (cm)
54
Length (cm)
215
Compressed volume
20
Technical details
Zip side
Droit Gauche
Seasons
4
Combinable
No
Performance
Comfort temperature limit
-18
Use type
14613 14605
Filling
Down Synthetic
Other features

- Adjustable hood
- Two-way YKK® zip running three-quarters of the length
- Inside zipped pocket
- Optimized filling design to minimise heat loss
- Padded 3D collar to retain warmth
- Padded flap along the zip
- Ergonomic footbox
- Storage bags included
- Compression sacks included
- PFC-free DWR water-repellent treatment

Composition :
- Outer material: Pertex® Quantum 30D – 50 g/m²
- Lining : 20D recycled Nylon – 38 g/m²
- Filling : European duck down, 650 fill power, with a finish Nikwax

Sizes:


regular Long Wide
Length 215 cm 230 cm 215 cm
Maximum number of users 1.85 m 2 m 1.85 m
Shoulder width 80 cm 81 cm 90 cm
Pool width 67 cm 68 cm 73 cm
Width of legs 51 cm 52 cm 58 cm




Pertex® Quantum Precision-crafted from incredibly fine threads, these fabrics Pertex® Quantum are designed to trap still air and enhance the insulation’s effectiveness. This fabric is lightweight, soft and extremely compressible. A durable water-repellent (DWR) finish repels light rain and snow to provide extra protection against the elements.
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- Adjustable hood
- Bi-directional zip YKK® 3/4 length
- Internal zipped pocket
- Filling construction optimized to reduce Warmth loss
- 3D Collar padded to retain Warmth
- Trimmed flap along the zip
- Ergonomic footbox
- Storage bag included
- Compression bag included
- PFC-free DWR water-repellent treatment

Materials:
- Outer fabric: Pertex® Quantum 30D - 50 g/m² - 50 g/m² - 30D
- Lining: 20D recycled Nylon - 38 g/m² (8.5 lbs)
- Filling: European duck down 650 CUIN with finish Nikwax

Sizes:


Standard Long Wide
Length 215cm 230cm 215cm
Maximum user size 1.85m 2m 1.85cm
Shoulder Width 80cm 81cm 90cm
Pool Width 67cm 68cm 73cm
Foot width 51cm 52cm 58cm




Pertex® Quantum Made with precision from incredibly fine yarns Pertex® Quantum fabrics are designed to trap still air and improve insulation efficiency. This fabric is light, soft and extremely compressible. This fabric has a durable water-repellent (DWR) finish that protects against light rain and snow to provide extra protection against the elements.
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