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0°F / -18°C Extreme Rating: Built for freezing conditions with advanced insulation that keeps you protected in serious cold.
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Aluminized Xreflex Thermal Retention: Recycled nylon shell coated with Xreflex technology reflects body heat back to you for superior warmth.
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Draft Protection System: Full draft collar, integrated draft overlap, and hood cinch cord help seal out cold air and lock in heat.
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Waterproof Neovent Air Panels: Durable waterproof fabric at the head and footbox shields against moisture and condensation.
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Optimized Comfort Design: Vaulted footbox, trapezoidal side-chamber baffles to reduce cold spots, shock cords to secure your sleeping pad, and a side half zipper for temperature control.

















