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Khumbu -35°C 900-Fill Hydrophobic Down Expedition Bag

$729.00

900 FP RDS Hydrophobic Goose Down

Materials

Technical 20D DWR Nylon Shell, 900 FP DWR-Treated RDS Certified White Goose Down

The science

Hydrophobic down clusters resist moisture collapse caused by sleeper perspiration over multi-week expeditions. Trapezoidal baffle chambers eliminate cold spots by keeping down uniformly centered over major arterial zones.

Field testing

Preserved core temperature at -28°C during high camp night on Gokyo Ri summit ridge.

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Description

900 FP RDS Hydrophobic Goose Down.

From AlpineTherma Labs.

– Trapezoidal multi-box baffle geometry
– Anatomically sculpted 3D footbox with dual down layers
– Full-length anti-snag draft tube with magnetic collar
– Waterproof technical nylon head and foot shielding

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