Nemo Sonic Down 0° Mummy Sleeping Bag

Description 

The Nemo Sonic Down Mummy Sleeping Bag is engineered for temperatures ranging from -20°F to 40°F, this Backpacker Editors’ Choice award-winning bag combines exceptional warmth with an eco-friendly design. Featuring next-generation Thermo Gill™ vents and a multistage zipper system, the Sonic allows you to fine-tune your comfort level with ease. Its chevron baffle construction prevents down migration, ensuring consistent loft and warmth. Made from 100% recycled, bluesign® approved fabrics and filled with 800 FP hydrophobic down certified by the Responsible Down Standard, this bag reflects years of field-tested improvements, including a redesigned draft collar and an innovative Toester™ footbox that keeps your feet warm and dry. Whether you’re in the backcountry or facing unpredictable weather, the Sonic sleeping bag is your go-to gear for extreme conditions, ensuring you stay comfortable and ready for whatever adventure lies ahead.

Specs

Weight	Regular - 3 lbs 4 oz Long - 3 lbs 12 oz
Pack Size	Regular 13 "x 9.5" diameter Long 14" x 9.5" diameter
Temperature Rating	0°
ISO Comfort Rating	14F
ISO Limit Rating	0F
Bag Shape	Mummy
Insulation Type	800-fill power
Fill Weight	Regular - 1 lb 11 oz Long - 1 lb 13 oz
Shoulder Girth	Regular - 63" Long - 65"
Hip Girth	Regular - 58" Long - 60"
Knee Girth	Regular - 53" Long - 55"
Water-Resistant	No
Material	20D 100% Recycled Nylon, Bluesign Certified Ripstop w/ DWR
Manufacturer Warranty	Lifetime warranty