Big Agnes System bags with DownTek insulation offer a roomy, rectangle-shaped sleeping space with an integrated Flex Pad Sleeve on the bottom. With technical fabrics and construction, compressible insulation and tons of comfort features, these comfortable sleeping bags are designed to be lightweight enough for backpacking but cozy enough you'll want them in the campground too. The streamlined silhouette and Flow construction increase the thermal efficiency keeping you warm from head to toe. The Flex Pad Sleeve unites easily with your pad, and as you change positions over the course of the night, will keep you from rolling off your pad.

• Features Big Agnes System Bags easily attach to a sleeping pad allowing you to comfortably roll around inside without rolling off your pad. The top panel of the bag creates a unique draping effect that feels more like the comforter on your bed at home. The insulation on the bottom of the bag is unnecessary in this system, so you won't find any there, since heat is reflected from the sleeping pad back into the bag, you'll want to make sure to add a pad to your cart! Streamlined silhouette for increased thermal efficiency Flex Pad Sleeve features stretch construction that accommodates multiple pad widths, and easily connects your bag to your pad Regular and Long bags fit 20" - 25" wide pads, Wide Long bags fit 25" - 30" wide pads Free Range Hood gives you the freedom to lift your head. Jacket-style hood opening contours to the shape of your face for a comfortable, snug fit Low-profile cordlock lets you un-cinch the hood with one hand Pillow Barn “ keeps your pillow tucked in tight all night Internal hood drawcord gives you a secure, cozy fit when cinched Free Range Footbox - creates wiggle room for your feet Rectangular shaped bag DownTek - a water repellent down that uses a PFC-Free, bluesign approved chemistry. Anti-snag zipper for a smooth, quick zip Regular: 65" / 165cm YKK #5 anti-snag locking zipper Long: 70" / 178cm YKK #5 anti-snag locking zipper Wide Long: 70" / 178cm YKK #5 anti-snag locking zipper Zipper garage Mate together left and right-zip bags No-draft collar, no-draft wedge, no-draft zipper Interior fabric loops for sleeping bag liners Exterior loops for hang drying or storage Mesh storage sack & polyester ripstop stuff sack