With a lightweight outer constructed from 20D Pertex Quantum Pro ripstop nylon and a DWR finish, the jacket is windproof and weather resistant. It\'s ethically sourced 800FP RDS-certified European goose down, provides superb insulation, offering ultimate warmth whilst out on the mountains. It\'s zoned midi and micro baffle stitch-through construction minimises bulk, eliminates cold spots and increases core warmth.20 D Pertex Quantum Pro - windproof and water-resistant rip stop nylon outer DWR (durable water repellent) finish Zoned midi and micro baffle stitch-through construction800 fill power European goose down insulation with Nikwax hydrophobic (water-resistant)Helmet compatible, adjustable hood with stiffened peakDouble ended full length front YKK Natulon zipStretch armhole and adjustable hem with recycled tape2 x high YKK zipped hand pocketsStuff sack includedMain Fabric: 20D nylon Pertex Quantum Pro, 40g/m², with DWRLining: Recycled 20D nylon, 38g/m²Composition: 100% polyamide with polyurethane coating and 100% recycled polyamide liningWeight: 523.5g