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CWM MemBrain

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Marmot - CWM MemBrain

The Marmot CWM MemBrain features 50 oz of high-quality 800+ fill-power down and Pertex® Shield waterproof/breathable fabric, ensuring you stay dry and warm in the harshest environments. Marmot got their start building down products over 40 years ago, and that heritage continues in their world-class line of expedition bags. With a -40° F rating, Marmot has subjected the Cwm (pronounced "koom") to extensive testing to ensure it meets their high standards. Over-engineered with sturdy reinforced linings and countless baffles for a lifetime of dependable comfort and protection, the Cwm is a great expedition bag for the highest mountains in the world, as well as frigid winter hunting trips.

Technical specifications & features

Weight Reg: 4 lbs 9 oz (2.07 kg) / Long: 5 lbs 0 oz (2.27 kg)
Gender Men's & Unisex
Temp Rating º F -40° F
Temp Rating º C -40° C
Bag Style Mummy
Seasonal Usage Four Season
Insulation 800+ fill goose down
Fill Weight Reg: 47.2 oz (1339 g) / Long: 50.2 oz (1423 g)
Bag Shell Material Pertex® Shield waterproof/breathable (30d 100% Nylon 2 Layer R/S 2.3 oz/yd)
Bag Lining Material Pertex® Microlight 30d 100% Nylon Ripstop 1.3oz/yd
Bag Length Reg fits users up to 6 ft / Long fits users up to 6 ft 6 in
Bag Stuff Size 9.5 x 19 in
Bag Loft 10 in
Circumference at Chest Reg: 63 in / Long: 65 in
Circumference at Hips Reg: 61 in / Long: 63 in
Circumference at Foot Reg: 45 in / Long: 47 in
Other Features • Filled and Finished at Marmot headquarters in Rohnert Park, California
• Certified 800+ Fill Goose Down - Independently Tested and Certified by International Down and Feather Laboratory in Salt Lake City, Utah
• Pertex® Shield Waterproof/Breathable Fabric
• 9-Baffle Chest Section - Baffles Run Vertically in Core for Maximum Down Control. Rolling from Side-to-Side Won't Shift the Down
• Reinforced Foot Box Lining - To Handle the Extra Abuse of Boot Liners and Water Bottles
• Feely Draw Cords - Ease Nighttime Cord Fumbling
• 11-Baffle Wraparound Foot Box - Baffles are Vertical to Keep Down Around Your Feet
• Down-Filled Draft Tube - Eliminates Cold Leaks Through the Zipper
• Ground-Level Side Seams - Eliminates Drafts
• Hidden Draft Tube Pocket - Inverts Into Draft Tube and Used to Store Watch or Alarm and Stay Out of Your Face
• Nautilus 6-Baffle Hood - 6 Chambers of Down Around Head for Better Down Control and Fit, Hood Cord is Positioned for Easy Access
• Stretch Tricot Baffles - Provide Ultimate Strength, Durability and Bag Life
• Stuff and Storage Sack Included - Store and Pack Just Like Your Sleeping Bag
• Velcro®-free Down-filled Collar - Keeps Warm Air Trapped in Your Bag; Collar is a Full 6-inch Baffle Width Integrated with the Draft Tube
• Velcro®-free Face Muff - Keeps the Drawcord and Zipper Away from Your Face
• Zipper Guards - Help Repel Biting Zipper Coils
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