The Storm Fortress. The iconic Alpha SV has long proven itself in the most severe alpine conditions. Breathable GORE-TEX PRO with Most Rugged Technology is paired with our most durable face fabric - made from 100% recycled materials - for incredibly long-lasting storm protection. The micro grid backer enhances resistance to abrasion and contamination, and the latest design updates make repair easier to extend your Alpha’s life. Featured for confidence in extreme conditions, the Alpha SV includes an embedded RECCO reflector for improved searchability in emergency situations, our helmet-compatible StormHood adjusts for full coverage with maximum visibility, and articulated construction that frees you to move across mountain terrain. Redesigned with a 100D face fabric made from 100% recycled content and a construction that extends life. Arcteryx Mens Alpha SV Jacket Features: Lightweight, minimalist climbing and alpinism products that protect from alpine environments. Climbing equipment designed for efficient movement and protection in alpine environments. Most durable materials and weather protection, for prolonged exposure to severe conditions. Waterproof, windproof and breathable textiles that offer fully protective environmental shelter. Weight 485g / 1 lb 1.1 oz Fit Regular Arcteryx Mens Alpha SV Jacket / Black / XL unisex X-Large Walk/Hike, Clothing, WaterproofJackets adult.