Originally built for aurora photography in extreme cold, this jacket is now adapted for everyday winter wear with no compromise on performance. The outer shell uses WINDSTOPPER® by GORE-TEX LABS for windproof, water-resistant, and highly breathable protection. Inside, Breath Thermo technology converts moisture into heat, while Reflection Gear reflects body warmth to enhance insulation. Seam sealing and inner sleeve cuffs block out the chill, and 650 fill-power down delivers lightweight warmth for harsh winter days. Key Features: WINDSTOPPER® by GORE-TEX LABS for weather protection Breath Thermo: heat-generating insulation Reflection Gear: reflects body heat Seam-sealed and cuffed to lock in warmth 650FP down for lightweight insulation Performance born in the Arctic—ready for the city.