Featuring a tough and lightweight exterior made from 20D Pertex Quantum Pro ripstop nylon, the outer is treated with a Durable Water Repellent (DWR) finish, making the jacket windproof and water-resistant.Filled with 800FP RDS-certified European goose down, the Electron Pro provides superb insulation that retains body heat without adding weight to the jacket. The down has also been treated with Nikwax Hydrophobic technology which increases its resistance to moisture and ensures that the jacket doesn't let you down if it gets wet.20D Pertex Quantum Pro - windproof and water-resistant rip stop nylon outerDWR (durable water repellent) finishZoned 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 tape2x High YKK zipped hand pocketsMain Fabric: 20D nylon Pertex Quantum Pro, 40g/m², with DWRLining: Recycled 20D nylon, 38g/m²Composition: 100% polyamide with polyurethane coating and 100% polyamide liningWeight: 523.5g_