Why We Love the Sonic -20 Down Sleeping Bag

Experience ultimate warmth and comfort with the NEMO Equipment Inc. Sonic -20 Degree Down Sleeping Bag. This exceptional sleeping bag is designed to keep you cozy even in the harshest winter conditions. Whether you're embarking on an unsupported expedition or camping in sub-zero temperatures, rely on the Sonic -20 to provide the warmth you need.

The 850-fill down insulation is not only lightweight, but also highly compressible, allowing you to easily pack it in your backpack for multi-day adventures. The durable nylon ripstop material is treated with a DWR finish, providing protection against moisture and ensuring it can withstand the rigors of the trail.

What sets the Sonic -20 apart is its versatility. While it excels in cold weather, it also offers exceptional ventilation, making it suitable for use in warmer conditions. The Thermo Gills feature allows for efficient airflow, keeping you comfortable even when the temperatures rise.

Product Details

• Versatile: Perfect for 4-season camping
• -20 F rating: Built to withstand sub-zero temperatures
• Lightweight and compressible: 850-fill down insulation
• Efficient ventilation: Thermo Gills promote airflow
• Moisture protection: DWR-treated fabric keeps light moisture at bay
• Heat retention: Draft collar seals in warmth and blocks cold gusts
• Easy storage: Includes compression sack for convenient packing

Material: 20D nylon ripstop, DWR treatment

Insulation: 800-fill down, Nikwax

Shape: mummy

Zipper: left, full-length

Max User Height: [regular] 6ft, [long] 6ft 6in

Shoulder Circumference: [regular] 61in, [long] 69in

Hip Circumference: [regular] 58in, [long] 63in

Foot Circumference: [regular] 53in, [long] 56in

Bag Length: [regular] 6ft, [long] 6ft 6in

Draft Tube: yes

Pockets: none

Pad Retainer: none

Venting: yes

Fill Weight: [regular] 2lb 2oz, [long] 2lb 4oz

Degree: -20F

European Norm/ISO Lower Limit Rating: -20F

Storage Sack: yes

Stuff Sack: yes

Stuff Size: [regular] 16 x 8.5in, [long] 16 x 8in

Claimed Weight: [regular] 3lb 8oz, [long] 3lb 10oz

Activity: backpacking, winter camping

Manufacturer Warranty: limited lifetime