The North Face Dark Star
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The beefy Dark Star 0degF synthetic bag from The North Face offers superior warmth during arctic and high-altitude climbing expeditions. Pertex(R) 20-denier nylon ripstop shell is lightweight and durable, and offers silky softness that enhances the insulation's loft. Pertex shell features a Durable Water Repellent finish that causes water to bead up and roll off. Climashield(R) a continuous filament insulation, provides superior thermal efficiency, durability and water resistance in a lightweight package. Overlapping shingle construction distributes insulation evenly and keeps it from moving around so there are no cold spots. Vaulted footbox allows natural foot movement and eliminates excess lateral space, increasing thermal efficiency to keep your feet warm and comfortable. The North Face Dark Star includes a compression stuff sack that doubles as a summit daypack.