Features of the NEMO Women's Jam 15 Sleeping Bag The unique Spoon(TM) shape is designed with added room at the elbows and knees to make side sleeping more comfortable Thermo Gills(TM) unzip to let warm air out if you get too hot at night Insulated with premium Nikwax Hydrophobic Down(TM) , the High Performance, fluorocarbon-free, water-resistant down that keeps you warm in all conditions Responsible Down Standard Certified Waterproof, breathable footbox to block condensation from the tent wall Blanket Fold(TM) vertical baffling for even warmth around your Integrated pillow pocket Zippered stash pocket