The Rab Optical Down Jacket Mens is a lightweight men's downhill ski jacket designed for extreme winter conditions. This jacket combines superior insulation with advanced waterproof technology, making it perfect for skiing in subarctic temperatures. Its construction ensures warmth and protection, allowing for smooth powder turns and backcountry adventures. Hydrophobic recycled down insulation for warmth and moisture resistance 2-layer Pertex Shield fabric offers excellent waterproof protection Adjustable ski-helmet-compatible hood for added coverage Zip-off powder skirt to keep snow out during deep powder falls Underarm vents for temperature regulation during intense activity Multiple pockets for convenient storage of essentials Two-way YKK Vislon AquaGuard front zip with internal storm guard Sleeve articulation for enhanced movement and fit Fluorocarbon-free DWR finish for environmental friendliness Made with over 50% recycled materials Technical Features Waterproofness: 20,000mm Brea