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 Storm Hood™ 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 Storm Hood™ Water Tight™ Vislon Front Zip Gusseted Underarms Multiple Pockets RECCO® Reflector Aids Printed Branding Style Code: X000009899-001929