The Big Agnes Gunn Creek 30 Degree Sleeping Bag is a classic synthetic bag for nights in the backcountry that drop down to 30°F. Plenty of space from head to toe won't leave you cramped while a full length zipper opens wide for warmer nights. Hotstream by Insotect is a 100% recycled polyester Insulation, providing water resistant warmth for the whole night through. Snuggle in and don't even worry about sliding off your sleeping pad, there's a full-length pad sleeve for that. Features of the Big Agnes Gunn Creek 30 Degree Sleeping Bag Design improves connection between pad sleeve and bag providing a roomier sleeping space without adding bulk Sculpted contour allows the bag to drape around you, increasing Insulation Performance Free range hood design ? gives you the freedom to lift your head while snuggled in the hood Low profile cord lock lets you un-cinch the hood with one hand No-draft collar, No-draft wedge, No-draft zipper Vaulted foot box creates more wiggle room for your feet Rectangular shaped bag Integrated full pad sleeve Stretch panel on pad sleeve doubles as pillow stabilizer Our softest, Technical sleeping bag fabrics yet - smooth and soft to the touch Zipper garage Mate together left and right zip bags Interior fabric loops for sleeping bag liners Exterior loops for hang drying or storage Mesh storage sack and nylon stuff sack