NEMO Equipment Sonic Down Mummy Sleeping Bag

- 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.

Product description

SONIC -20F (LONG)

SPECIFICATIONS

SONIC -20F (REGULAR)

People & the Planet

COMPARISON CHART

Sonic is built to be the only bag you need from -20°F to 40°F. The Backpacker Editors’ Choice award-winning big-mountain bag offers exceptional warmth and tuneability with a reduced environmental impact.

The trim mummy shape includes a plush draft collar and bolstered draft tubes for cold protection.

Filled with premium 800 FP hydrophobic, PFAS-free, RDS-certified down.

Dual-stage zippered vents release body heat without letting cold drafts in for longer usability.

Utilizes a layer of synthetic insulation to protect the down and deliver maximum comfort for toes.

The shell and liner are made with 100% recycled, bluesign approved materials.

Achieving our mission depends on healthy people and a healthy planet. Adventures will only be possible for everyone if we can create an equitable relationship with the planet for all. We view all of our sustainability efforts through the lens of planet and people.