DESIGN & DETAIL: Classic Spoon(R) shape adds room at elbows and knees for versatile comfort Updated Blanket Fold(TM) design offers a cozy, oversized draft collar that dramatically blocks cold air or releases excess warmth Filled with premium 650 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 requirements Body-mapped design includes new 3D footbox for tailored comfort and warmth Anti-snag zipper features protective edging to stop fabric from getting caught in the zipper pull Updated Thermo Gill(TM) vents extend the comfort range and create fine-tuned control with their multistage zipper system 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 Hood and footbox are reinforced with recyclable material treated with PFAS-free waterproofing to prevent tent condensation from soaking into the bag's fabric Zip two Discos (with opposing zipper sides) together to create a double sleeping bag Includes Compression Sack and Mesh storage cube