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Built to keep us insulated on our cold weather pursuits, the Mountain Equipment Siachen Jacket is warm, packable, and more tolerant of moisture than down. The Polartec Thermal Pro grid fleece traps warm air against our body, so we can stay safe while playing in the mountains in colder temperatures. The overstitched hems add next-to-skin comfort while the elastic hem lets us cinch things down to seal out wind and seal in heat.