Marmot Sawtooth 15F Degree Down Sleeping Bag Updated Color Certified 650 Fill Power Down with Down Defender to Improve Water-Resistance in Wet Conditions Anatomical Wrap-Around Footbox Increases Insulation and Room for Your Feet, More Warmth and Co Full Length Locking YKK Two Way Zipper with Anti-Snag Slider reduces fabric snagging EN Tested