Sonic Down Mummy Sleeping Bag | Ultralight, Insulated, Made for Extreme Cold, Mountaineering, Trekking

Color: Goodnight Gray / Goldfinch Occupancy: 1 Person Shape: Mummy Seasons: All Seasons Temperature Rating: ISO Comfort: 14F / -10C (about -10 degrees Celsius) Age Range (Description): Adult Sport: Mountaineering Special Feature: Compressible Material: Nylon - Nylon - Award-winning design updated for even greater warmth retention and adjustability across temperatures. - Constructed with 100% recycled, bluesign approved shell and liner fabrics. - Second-generation Thermo Gill vents extend the comfort range with a new multistage zipper system. - Overstuffed with premium 800 FP hydrophobic down that is PFC-Free and 100% Responsible Down Standard (RDS) certified, ensuring humane treatment and traceability throughout the supply chain. - Chevron baffle construction better compartmentalizes down for more uniform loft and down migration prevention.