Description

The Deuter Exosphere +4°C is a lightweight synthetic sleeping bag designed for warm-weather trekking, spring wild camping and mild summer mountain nights. Built with Deuter’s Thermo Stretch construction, it expands by up to 25% in width, allowing greater freedom of movement without sacrificing thermal efficiency.

With a comfort rating around +4°C, this bag is suited to late spring through early autumn conditions across much of Europe. Synthetic fibre insulation performs reliably in humid environments, making it a practical choice for coastal camps and variable climates.

Compact, flexible and built for active sleepers, the Exosphere +4 balances warmth, comfort and packability for serious lightweight travel.

Key Features

• Lightweight 2–3 season synthetic sleeping bag
• Comfort rating: approx. +4°C
• Thermo Stretch construction for improved movement
• Synthetic insulation suitable for damp conditions
• Thermal collar to reduce heat loss
• Full-length zip with draft tube
• Interior pocket for small essentials

Specifications

• Comfort Temperature: +4°C
• Season Rating: 2–3 Season
• Shape: Mummy
• Insulation Type: Synthetic fibre
• Outer Material: Nylon
• Occupancy: 1 Person
• Closure: Full-length 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 and mild autumn camping. Pair with an appropriate sleeping mat to optimise insulation from cold ground. Always follow local wild camping regulations when camping overnight.