STORAGE: Mesh sack & polyester stuff sack can be attached to the interior fabric loops to keep cell phone and valuables handy Bag hangs easily with exterior loops for storage, drying, or temporarily keeping up off the ground to free up floor space without having to pack up the bag DESIGN & DETAILS: Roomy interior enhances sleeping space, improving on bags that cause constriction-related sleep troubles Stretchable, rectangle flex pad sleeve easily connects sleeping pads 20 in. - 25 in. wide securely to the bottom of your bag so you don’t roll off while moving in your sleep Wiggle room at bottom provides leeway for feet Built in pillow barn holds your pillow in place The streamlined silhouette offers plenty of room for movement while still providing increased thermal efficiency The large hood allows you to lift your head while the jacket-style opening with drawcord allows you to contour it to your face for a warm and comfortable fit Internal drawcord for hood allows you to cinch down for comfort on those chilly nights Hood can be opened using the low profile cordlock with one hand as it warms up Collar, wedge, and zipper all feature no-draft technology to keep you warm and comfortable Left and right zip bags can me mated together to make one large sleeping bag A 65 in. YKK smooth anti-snag zipper is designed for smoothness up and down lengthy zips and provides easy access in and out of the bag, while a zipper garage keeps the zipper for poking others beside you while you sleep Lightweight for convenient travel Compressible insulation 650 fill down material for comfort PFC-free to allow non-toxic safeness Material-Shell: Polyester ripstop with a water repellent finish Material-Lining: Polyester Taffeta