Description

The Mammut Comfort Fiber -1°C is a technical three-season synthetic sleeping bag built for trekking, mountain camps and cooler spring to autumn conditions. Designed with a refined mummy cut for improved thermal efficiency, it delivers reliable insulation without the moisture sensitivity of down.

With a comfort rating around -1°C and certified under EN ISO 23537 standards, this bag offers dependable warmth for woodland camps, mid-altitude routes and variable European climates. The synthetic fibre fill performs consistently in damp conditions, making it a practical choice for wild camping in unpredictable weather.

Lightweight, durable and designed for reliable field use, the Comfort Fiber balances warmth, packability and comfort for serious outdoor travel.

Key Features

• 3-season synthetic sleeping bag
• Comfort rating: approx. -1°C
• EN ISO 23537 temperature tested
• Efficient thermal mummy construction
• Synthetic insulation performs in damp conditions
• Two-way central zip for ventilation control
• Insulated zip cover to reduce heat loss
• YKK zipper with anti-snag design

Specifications

• Comfort Temperature: -1°C
• Season Rating: 3 Season
• Shape: Mummy
• Insulation Type: Synthetic fibre
• Certification: EN ISO 23537
• Occupancy: 1 Person
• Closure: Two-way zipper

Use & Care

• Air thoroughly after use
• Dry completely before storage
• Store loosely in a breathable sack
• Machine wash on gentle cycle if required

Good to Know

Ideal for spring, summer at altitude and autumn wild camping. Pair with an appropriately insulated sleeping mat to maximise warmth from cold ground. Always follow local wild camping regulations when camping overnight.