Mammut Siku Down Bag -18C Sleeping Bag

The Mammut Siku Down Bag -18C is a down-filled mummy sleeping bag designed for cold-weather use. It suits users who need reliable thermal protection and compact packing for multi-day trips.

Key benefits

• High thermal efficiency thanks to down insulation
• Rated limit temperature: -18 °C for cold conditions
• Mummy shape reduces air volume and limits heat loss
• Compressible stuff sack for reduced pack size
• Easy to pack and deploy, backpack-compatible

Typical use: winter and alpine routes, multi-day expeditions or cold-season camping where dependable insulation and transportable compression are required.