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

Where to Buy

sponsored links
Help support this site by making your next gear purchase through one of the links above. Click a link, buy what you need, and the seller will contribute a portion of the purchase price to support Trailspace's independent gear reviews.

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 high-quality 800-fill goose down and a waterproof Pertex shell to keep you warm and protected all the way down to -40degF.

- REI

Welcome to the outer limits, astronauts. 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 -40F, in the harshest alpine environments. Over-engineered with sturdy reinforced linings and countless baffles for a lifetime of dependable comfort and protection.

- CampSaver.com

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 - 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.

- Mountain Gear

Marmot CWM MemBrain Long - 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 Nautilus 6-Baffle Hood 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 50.19oz (1423g) Bag Loft 10 Bag Temperature F -40Adeg F Bag Temperature C -40Adeg C Interior Length 89in (226cm) Bag Dimensions (Shoulder x Hip x Foot) 65in (165cm) x 63in (160cm) x 47in (119.4cm) Bag Zipper position LZ, RZ Weight 5lbs 0oz (2268g)

- Massey's Outfitters