When the route demands both unwavering warmth and unrestricted movement, The North Face Summit Breithorn Jacket delivers expedition-proven performance for serious alpine athletes. This technical down jacket combines 800-fill ProDown™ insulation that maintains its loft even in wet conditions with a mobility-focused design featuring raglan sleeves and underarm gussets for full arms-up movement during technical climbing and alpinism. The ultra-packable construction stows completely into its own pocket, making it an ideal companion for backpacking and mountaineering where every ounce matters. Built with recycled nylon ripstop and designed to function seamlessly as either a high-alpine mid-layer or standalone outer layer, the Breithorn adapts to changing mountain conditions while keeping you moving lighter and faster through demanding terrain.