Specs

Regular Long
Weight 4 lb 8 oz / 2066 g 5 lb 0 oz / 2267 g
Fill Weight 2 lb 12 oz / 1247 g 3 lb 0 oz / 1360 g
Temperature Rating -40 F / -40 C -40 F / -40 C
Fill 800 Fill-Power Down 800 Fill-Power Down
Shape Mummy Mummy
Max User Height 6 ft 0 in / 180 cm 6 ft 6 in / 200 cm
Price $699.00 USD $719.00 USD

Q&A

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Where to Buy

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Manufacturer's Description

Visit Marmot's CWM MemBrain page.

Retailers' Descriptions

Here's what other sites are saying:

Ready for harsh winter conditions, this cold-weather sleeping bag uses quality 800-fill-power goose down and a waterproof Pertex shell to keep you warm and protected all the way down to -40degF.

- REI

Used, abused, tested, approved. High-quality 800+ fill-power goose down and Pertex Shield waterproof, breathable fabric form the core of the Marmot CWM MemBrain G? designed to deliver restful sleep G? in the harshest alpine environments. Over-engineered with sturdy reinforced linings and countless baffles for a lifetime of dependable comfort and protection.

- Mountain Gear

Used abused tested approved. High-quality 800+ fill-power goose down and Pertex ShieldA(R) waterproof breathable fabric form the core of this portable environment - designed to deliver restful sleep - in the harshest alpine environments. Over-engineered with sturdy reinforced linings and countless baffles for a lifetime of dependable comfort and protection. Feature List Filled and Finished in Rohnert Park California Certified 800+ Fill Power Goose Down PertexA(R) Shield Waterproof/Breathable Fabric Marmot Cross Baffle Construction Prevents Down Shifting and Colds Spots 11-Baffle and Wrap-Around Foot Box Increases Warmth Reinforced Foot Box Lining Feely Draw Cords Down-Filled Draft Tube Ground-Level Side Seams Hidden Draft Tube Pocket Stretch Tricot Baffles Stuff and Storage Sack Included VelcroA(R)-free Down-filled Collar VelcroA(R)-free Face Muff Zipper Guards Main Materials Pertex Shield 30d 100 Nylon 2 Layer R/S 2.3 oz/yd Lining Material Pertex Microlight 30d 100 Nylon Ripstop 1.3oz/yd Insulation Material 800+ Fill Power Goose Down Fill Weight 47.23oz (1339g) Bag Loft 10 Bag Temperature F -40Adeg F Bag Temperature C -40Adeg C Interior Length 83in (211cm) Bag Dimensions (Shoulder x Hip x Foot) 63in (160cm) x 61in (155cm) x 45in (114.3cm) Bag Zipper position LZ RZ Weight 4lbs 8.89oz (2066g)

- Massey's Outfitters

"Marmot Camp & Hike CWM Membrain -40 Sleeping Bag (800 Down) - Reg. Left 225606363Reg:6'0/LZ. High-quality 800+ fill goose down and MemBrain waterproof breathable fabric form the core of this portable environment designed to deliver restful sleep down to -40 F in the harshest alpine environments. Over-engineered with sturdy reinforced linings and countless baffles for a lifetime of dependable comfort and protection."

- CampSaver.com