SUSTAINABILITY: Filled with premium 800 FP hydrophobic, PFAS-free, RDS-certified down. Products certified to the Responsible Down Standard (RDS) contain down or feathers from farms certified to animal welfare requirementsZ NEMO takes full responsibility for all Endless Promise(R) products, from production to end of life, and designs them for 100% recyclability to keep out of the landfill STORAGE: Comes with a compression stuff sack DESIGN & DETAILS: Efficient, tapered mummy design cuts excess weight for ultimate packability Updated Thermo Gill(TM) vent extends the comfort range and creates fine-tuned control with its multistage zipper system Zippered opening at the foot of the bag allows direct access and instant ventilation All-new Headwall(TM) internal draft guard provides 360-degree insulated, plush protection from the cold Hood and footbox are reinforced with recyclable, waterproof material to prevent tent condensation from soaking into the bag's fabric Streamlined Cohaesive(TM) hood cinch hardware is bonded to the material and more integrated into the bag's design than traditional dangling designs