The Lafuma X 600 Sleeping Bag features a a water-repellent nylon shell and a Layer 1 + 1 construction ( extremely lightweight with one layer of insulation). Thanks to the "seamless side" technique, more air can be captured between layers, thus increasing the bag's thermal efficiency and eliminating cold spots.
The Super Fine Fiber (SPF) insulation is a blend of silicon coated capillary micro fibers with a hollow core to optimize the thermal efficiency and breathability.
Full hood has an easy access drawcord. Full length auto lock YKK two way zipper provides versatility with windproof gusset at bottom. Stuff sack included. Plus convenient interior pocket with Velcro closure for your mp3 player, clock or gizmo.