Designed for lightweight performance, the Sea to Summit Spark SpII down filled sleeping bag is perfect for use all year round, whether you're trekking across continents or tackling some routes closer to home. The 850+ Loft premium goose down and specially designed baffle construction locks in heat and keeps you warm all night long without added bulk. The 1/2 zip with two sliders helps with access and allows ventilation from the mid-section of the bag should you get too warm. The mummy shape locks in heat to increase thermal efficiency for a better nights sleep during the colder months.
- Ultralight 7D and 10D fabrics for minimal weight and packed size
- RDS 850+ Loft Premium Goose ULTRA-DRY Down™ for maximum insulation value
- Contoured mummy shape for comfort and efficient insulation
- Vertical chest baffles prevent down migration and cold spots
- NOTE: This bag is not designed to pair with another Vertical box baffles in the torso area accommodates extra down and boosts warmth around the core, vertical baffles on chest optimises position of down to prevent it moving during use
- Lower part of the bag uses a sewn through horizontal baffle construction to minimise weight
- ½ zip with two sliders aids access and allows ventilation from mid-section of bag
- Updated sizing provides extra room for both shoulders and hips while still maintaining insulation efficiency
- Draft tube prevents heat loss through the zipper
- Includes hood draft collar
- Temperature rated 4°C - -18°C