When you're heading up but the temperature is heading down, you need the bestselling Rab Women's Electron Pro Down Jacket. Made for alpine climbers and mountaineers who require dependable, lightweight warmth, this puffy is stuffed with lofty, ethically sourced down insulation to keep you toasty without weighing you down. The outer fabric is highly durable, windproof, and water-resistant so you don't have to pull out your shell every time there's a little drizzle, while mapped baffling in key areas offers added warmth without bulk. Technical features like elastic cuff panels for seamless layering, a belay-friendly two-way zipper, and an adjustable hood that fits perfectly over your climbing helmet make this performance-oriented piece a staple for cold-weather mountain adventures.