Engineered for lightweight thermal efficiency, the Sierra Thermal Jacket is the essential layering solution for any outdoor adventure. Stormtech Thermal Shell™ insulation provides lightweight warmth, while a windproof outer shell helps maintain thermal performance by keeping heat in and wind out. A DWR water-repellent finish repels light moisture. Built for added protection, a full-length internal storm flap, elasticized cuffs, and adjustable hem help block wind and cold.
Engineered for lightweight thermal efficiency, the Sierra Thermal Jacket is the essential layering solution for any outdoor adventure. Stormtech Thermal Shell™ insulation provides lightweight warmth, while a windproof outer shell helps maintain thermal performance by keeping heat in and wind out. A DWR water-repellent finish repels light moisture. Built for added protection, a full-length internal storm flap, elasticized cuffs, and adjustable hem help block wind and cold.
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