Quantum Bags all have the Quantum Expander, an ingenious way of adjusting the volume of your sleeping bag to respond to changing conditions. This bag category allows you to choose a sleeping bag with either down or Polarguard 3D fill that will serve you over a much wider temperature range than previously possible.
FEATURES:
- Upgrade tie-in loops stabilize upgrade liner
- Velcro® tab at zipper sliders stay in place when venting
- Insulated draft tube extends to bottom of bag and is not sewn through, eliminating cold spots
- Performance-cut mummy shape is more efficient and saves weight, reducing girth at shoulder, hip & legs
- Multi panel, contoured footbox
- Contoured hood forms around head to seal in heat
- Differential cut maintains maximum loft
- Expandable draft tube provides additional room for warm temps and layering space for colder temps
- Insulated draft collar with offset drawcord seals in heat below the shoulders
- Slant baffle construction ensures consistent thickness of insulation
- Snag guards prevent fabric from catching in the zipper
- Two-way locking zipper sliders stay in place when venting
- 2-layer Conduit SL shell
Lior_Yaakobi - Jan 25, 2003 1:46 pm - Voted 3/5
Untitled ReviewIt was about -10 to -20 outside and I was freezing in the beginning of the night.
Only after about 3-4 hours I start to feel better.
But I must specify that the problem was the cold surface - perhaps another layer of mattress or something like that would solve the problem.