- Backpacker magazine conducts rigorous field testing to select award winners in recognition of their innovation in design, materials and performance
- Proprietary welded Lamina construction enhances loft and eliminates cold spots; zoned insulation maximizes warmth where it's needed most
- Thermal.Q insulation has outstanding compressibility and maintains excellent loft and warmth, even when damp
- Performance mummy cut is snug, reducing girth, weight and bulk while maximizing thermal efficiency
- Comfort footbox follows natural foot position for maximum warmth and comfort
- Face gasket and tailored hood comfortably block drafts at the hood opening and seal in warmth
- Single #5 half-length center zip with dual sliders minimizes weight and allows for ventilation
- Ultralight shell is soft and highly wind-resistant
- Silnylon compression stuff sack and mesh storage sack included
HyperLamina Spark Sleeping Bag - Regular
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