The UltraLite 20°F three-season sleeping bag features Western Mountaineering's ExtremeLite™ shell fabric and an extremely efficient mummy shape with 850+ fill power goose down.
Features
Ethically-sourced 850+ fill power premium goose down
Continuous baffles allow you to shift down for more insulation in colder weather
Full-length zippers
Insulated draft tube keeps cold air out
Breathable 12D ripstopnylon outer shell
Fully insulated draft collar seals in heat without much added weight
Includes ultralight stuff sack with breathable mesh storage bag