The Marmot Atom 40 Down Sleeping Bag's ultra-light design and highest quality down have given it cult status among alpinists as a bivvy bag on extreme climbs, but its comfortable, silky fabric make it a great bag for warm-weather bivvies on casual summer road trips as well. Thanks to the Pertex Microlight material, this bag is well balanced and offers weight reduction whilst maintaining great strength and abrasion resistant. This material helps this design become lightweight, soft, windproof, downproof and extremely durable. Embark on the next adventure ahead with at Marmot!
Fold-Down Second Zipper Provides added Ventilation and Easy Access, Main Zipper Anti-Snag Slider reduces Snagging
Anatomical Wrap-Around Footbox Increases Insulation and Room for Your Feet, More Warmth and Comfort
Smooth-Curved Baffles Reduce Down Shifting. Nautilus Multi-Baffle Hood limits heat loss