FEATURES
- Super-compressible 850+ loft non-PFC ULTRA-DRY Down provides maximum warmth-to-weight ratio
- Ultralight, not ultra-tight: Hooded contoured mummy shape for comfort and efficient insulation
- Vertical torso box baffles maximises warmth around your core and prevents down shift when you move in your sleep
- Sewn-through horizontal baffles in lower part of sleeping bag minimises weight and packed size
- Drawcorded hood and front draft collars help trap warmth
- Draft tube with anti-snag strip prevents heat loss through the zipper
- The half-length #3 YKK zipper with two sliders improves ventilation and further reduces weight and packed size
- Field repairable: The open-end zip allows slider to be easily re-threaded for on-the-go repairs
- non-PFC fabrics: 10D Nylon shell and 7D Nylon liner fabrics are DWR treated and non-PFC
- Ethically sourced down: Responsible Down Standard (RDS) Certified
- Spark and Flame sleeping bags with like sized zips pair together
- QuiltLock System compatible—securely connect any Sea to Summit quilt to your sleeping bag to boost your sleep system’s performance for colder conditions
- Includes a Sea to Summit Ultra-Sil Nano Compression Sack and larger storage cell