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Sierra Designs Zissou 6 Degree

Code: 00601213
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Price: $319.95
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Zissou 6 Deg 700 Fill DriDown Regular and Long

Cold weather camping has a unique set of challenges, including melting snow and condensation inside your tent. Designed to outperform standard down bags, the award-winning Zissou 0 features 30-ounces of 700-fill DriDown™ insulation to keep your bag insulating better, lofting higher, and drying faster in any winter environment.

Simply put, DriDown™ represents the evolution of down insulation. Regular down is treated with a molecular level polymer to create a hydrophobic finish on each individual down plume. This finish allows DriDown™ to stay dry longer, loft better, and dry faster than regular down, keeping you warmer in any environment.


EN Testing is short for 'European Norm', which is a government test for sleeping bags.

For the EN test, a copper mannequin named Charlie is fitted with 20 sensors and a clothing layer (top, bottom, and socks) that provide a consistent thermal value. The mannequin is placed in the sleeping bag and put onto a wood platform roughly 12mm thick. The board is held above the floor with some support which allows air circulation under the board. The board is covered with a mattress that has a consistent thermal value then placed in a cold room. A mathematical formula is used to measure the data received from the sensors based on human modeling.

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DriDown Illustration



• Ergonomically shaped footbox
• Unique "corded" anti-snag zipper prevents snags and eliminates drafts
• Snag-free zipper tracks™
• Draw cord at collar
• Draft collar
• Ergonomic hood
• Zipper draft tube
• Pad locks
• EN Tested
• Includes stuff and storage sacks



EN TestingEN Comfort Limit: 19oF / -7oC
EN TestingEN Lower Limit: 6oF / -14oC
Additional InfoFits to: 6 ft / 183 cm
Length 78 in / 198 cm
Zipper Location Left
Additional InfoShoulder girth: 62 in / 157 cm
Additional InfoHip girth: 58 in / 147 cm
Additional InfoFootbox: 40 in / 102 cm
MaterialInsulation: 700 Fill-Power DriDown™
MaterialShell material: 30D Polyester Micro-Ripstop
MaterialLiner material: 30D Polyester
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