Materials:
* Main: 100% Polyamide
* Secondary: Polyamide, Polyester Warp Knit
* Membrane: 100% Polyurethane
* Lining 1: 100% Polyester
* Lining 2: 55% Polyamide, 45% Polyester
* Filling: 100% Polyester

Temperature Rating:
* Comfort: -10° c / 14° f
* Comfort Limit: -18° c / -1° f
* Extreme Limit: -40° c / -40° f

Specs:
* Packing volume (compressed): 24.9
* Total weight without stuff bag (L): 2110 g / 74.4 oz
* Fill weight (L): 1560 g / 55 oz
* Zipper length: 42 in / 107 cm
* Inner Foot Area Width: 23.6 in / 60 cm
* Maximum inner width: 31 in / 80 cm
* Warm collar: Yes
* Wind baffle zipper: True
* Zipper Side: Neutral
* Zipper side: Middle

Features:
* Extreme temperatures. Extreme nights. Extremely good sleep with the Protect Fiber Bag -18C.
* Extremely good sleep, as if in your own bed, with the Protect Fiber Bag -18C, made from a waterproof material for extreme temperatures.
* Optimized fit for more restorative sleep. A central zipper provides temperature regulation for climate-controlled sleep. A special material to prevent noise for undisturbed sleep.
* Restorative sleep thanks to a newly developed sleeping bag shape
* Intuitive climate regulation with a central 2-way zipper
* Comfortable, soft material in the hood reduces noise and increases comfort
* Including deep sleep mask and earplugs to reduce light and noises
* PFC-free DWR treatment
* Lining made from 100% recycled polyester
* Easy-to-use magnetic closure on the insulation collar
* Improved YKK zipper prevents jamming of material
* Insulated covering along the zipper to protect from cold bridges and enhance climate comfort
* Insulation chamber around the hood opening to protect from cold and wind
* Drawstring for easy adjustment of the hood and insulation collar
* Revised anatomical foot box for greater comfort without extra weight
* Zipper garage reduces cold areas at the end of the zipper
* Internal pocket to store valuables
* Supplied with a packing bag
* Recycled
* Ethically made
* Responsible animal product
* PFC free
* Bluesign certified