Lightweight Warmth for Mountain Missions | This warm, lightweight down jacket offers packable protection and layering versatility for alpine climbers and mission-oriented mountaineers. Pertex Quantum Pro Ripstop | Highly durable water- and wind-resistant outer material keeps you dry and comfortable in fickle mountain weather without sacrificing packability or breathability. 800-Fill Down With Nikwax Hydrophobic Finish | Lofty down with a water-repellent treatment traps body heat and dries quickly. Mountain-Ready Features | Harness-compatible zippered pockets, a belay-friendly two-way front zipper, and an adjustable helmet-compatible hood keep the weather out, while stretchy low-profile cuffs make layering seamless. Specs | [Best Use] Climbing, Mountaineering; [Material] 20D Recycled Pertex Quantum Pro; [Lining] 20D Recycled; [Insulation] 800 FP European Goose Down, Nikwax PFC-Free Hydrophobic Finish; [Fit] Regular; [Hood] Helmet Compatible; [Pockets] 2 Zippered Hand; [Weight] 523.5g The Rab Men's Electron Pro Jacket is the ultimate choice for those seeking mountain-grade warmth, protection, and versatility. Designed specifically for alpine climbers and mountaineers, this technical down jacket offers a perfect balance of insulation, low weight, and packability, making it an essential layer for cold, unpredictable environments. Constructed from Pertex Quantum Pro ripstop nylon, the Electron Pro is lightweight, water-resistant, and incredibly durable, providing reliable protection in harsh, ever-changing conditions. Its breathable fabric allows the premium down insulation to fully loft, maximising warmth while keeping the jacket easily packable. Whether you’re facing high-altitude winds or sudden snow, this jacket delivers the performance needed for sustaining demanding adventures. With zoned midi and micro baffle construction, the jacket minimises bulk while eliminating cold spots, ensuring your core stays warm even during intense mountain expeditions. The ethically sourced down ensures sustainability.