Mountain Hardwear HyperLamina Flame 20 Degree Mummy Sleeping Bag

The high performance Mountain Hardwear HyperLamina Flame sleeping bag features Lamina construction, with thermally mapped insulation and half length center zip to maximize efficiency. It's engineered to be the lightest and warmest synthetic bag available. Proprietary welded Lamina construction enhances loft and eliminates cold spots. Individual pillow panels are inserted between welds, providing warmth, and aiding in compressibility when stuffed. Zoned insulation maximizes warmth where it's needed most. Thermal.Q insulation has outstanding compressibility and maintains excellent loft. Single 5 half length center zip, with dual sliders, minimizes weight and allows for venting. Performance mummy cut is snug, reducing girth, weight and bulk, and maximizing thermal efficiency. Ergonomic draft collar blocks the escape of heater air from inside the bag. Comfort foot box allows for natural foot position for comfort. Ultralight 22D Dobby 100% tactel nylon shell is soft and highly wind resistant. 20D 100% taffeta nylon lining. EN13537 Tested: EN Comfort: 25 DegreeF 4 DegreeC EN Limit: 14 DegreeF 10 DegreeC EN Extreme: 19 DegreeF 28 DegreeC