Sea to Summit Spark SpIII Ultralight Down Sleeping Bag
Ultra-light and technical, our Spark Series bags are designed to keep you as warm as possible while minimising packed weight and size.
- Contoured mummy shape for efficient insulation
- Expedition mummy bag sizing provides extra space for layered clothing or extra wriggle room
- Updated sizing provides extra room for both shoulders and hips while still maintaining insulation efficiency
- Includes lightweight Ultra-Sil Nano compression bag for compact storage