Engineered for the most demanding alpine environments, the Alpha SV Jacket from Arc'teryx is built to perform when conditions turn brutal. Crafted from ultra-durable Most Rugged GORE-TEX PRO, it offers maximum waterproof, windproof, and breathable protection. The helmet-compatible StormHood™ delivers full coverage without compromising visibility, while Cohaesive™ hem adjusters double as Hemlock™ inserts - preventing the jacket from riding up under a harness. 100% Nylon, Helmet Compatible StormHood™, WaterTight™ Vislon Front Zip, Gusseted Underarms, Multiple Pockets, RECCO® Reflector Aids, Printed Branding, Style Code: X000009899-001929. Engineered for extreme alpine environments, the Alpha SV Jacket is the ultimate shell for mountaineers who face the most unforgiving conditions. Designed to withstand relentless storms, harsh winds, and demanding ascents, this jacket offers uncompromising protection in the world’s toughest mountain terrain. The latest update makes the Alpha SV Jacket lighter, stronger, and more sustainable than ever. Featuring the new 100D Gore-Tex Pro ePE, the most durable waterproof-breathable protection available it’s also free from intentionally added PFAS, aligning performance with eco-conscious innovation. A discreet Recco reflector integrated into the hood enhances safety by improving searchability in emergencies, while expanded interior storage includes two convenient dump pockets for gloves or a toque and a secure zippered pocket to protect your valuables. Whether you’re pushing through a technical climb or enduring sustained exposure at altitude, the Alpha SV Jacket is built to keep you movin...