NEMO Disco 15 Endless Promise Down Sleeping Bag - Men's

Balance packability with roomy comfort. The men's NEMO Disco 15 Endless Promise Down sleeping bag's cut lets you shift positions throughout the night—and also shave weight so it packs up light.

Temperature ratings are intended as a guideline to help you compare products, rather than a guarantee of warmth, since many different factors contribute to your comfort while you sleep. Backpacking bags are typically rated for temperature according to an independent testing protocol—currently International Organization for Standardization (ISO) 23537, though some older items followed European Norm (EN) 13537. Testing is based on a person wearing one base layer and a pair of socks, sleeping on an insulated surface with a minimum R-value of 5.38.

Each bag then gets 2 ratings: the Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Some brands determine their own temperature rating by aligning to the Comfort rating for women’s bags, to the Lower Limit rating for men’s bags, or somewhere in the middle for nongendered bags.

• Classic Spoon® silhouette for ultimate side-sleeping comfort; Spoon bags are cut generously at the elbows and knees so you can shift positions
• Filled with premium 650-fill-power, hydrophobic, PFAS-free down
• Responsible Down Standard (RDS)–certified down; products certified to the RDS contain down or feathers from farms certified to animal welfare requirements
• Updated Thermo Gill™ vents extend the comfort range and create fine-tuned control with their multistage zipper system
• Each Gill has an interior and exterior zipper with a draft-blocking intermediate layer
• Updated Blanket Fold™ design offers a cozy, oversized draft collar that dramatically blocks cold air or releases excess warmth
• Tucked in, the Blanket Fold defiantly blocks any chill while mimicking the comfort of your bed at home; pushed out, it helps dump excess heat instantly
• Body-mapped design includes 3D footbox for tailored comfort and warmth
• Hood and footbox are reinforced with recyclable material treated with PFAS-free waterproofing to prevent tent condensation from soaking into the bag's fabric
• Anti-snag zipper features protective edging to stop fabric from getting caught in the zipper pull
• Zip 2 Disco sleeping bags with opposing zipper sides together to create a double sleeping bag (2nd bag not included)
• NEMO takes full responsibility for all Endless Promise® products, from production to end of life, and designs them for 100% recyclability to keep them out of the landfill
• With a shell manufactured fully from PET, this sleeping bag is 100% recyclable at the end of its life—just send it back to NEMO, and they'll handle the rest
• Protected by the NEMO Adventure Forever Guarantee™