Arc’teryx’s Alpha line is the brand’s pure alpine hardshell arsenal — built for climbing, alpinism, and technical missions where the air thins. The Arc’teryx Alpha SV jacket is the range’s no‑nonsense specialist: steep faces, hostile storms, long, exposed pushes. Its 100D GORE‑TEX PRO e PE shell stays watertight, breathable, and unfazed when conditions turn savage. Stripped back, tough, and engineered for true alpine weather, this is the waterproof Arc’teryx jacket to trust when the mountain stops playing nice. 100% Nylon Waterproof & Windproof GORE-TEX® PRO e PE Fabric Adjustable Velcro® Cuffs Durable Water Repellent Finish Bicep Pocket Zipped Internal Pocket & 2 Dump Pockets 2 Harness-compatible Chest Pockets Helmet Compatible Storm Hood™ RECCO® Reflector Adjustable Hem Style Code: X000010877-001929