The Alpha SV, an Arc'teryx icon repeatedly proven in severe alpine environments, is now stronger and lighter. Exceptionally durable waterproof, breathable N100p-X 3L GORE-TEX Pro fabric significantly increases abrasion resistance. Optimized construction, WaterTight(TM) zippers with RS(TM) sliders, and minimized seams shed grams. Fully featured with a helmet compatible StormHood(TM), pit zips, and articulated construction, the Alpha SV remains the choice for extended use in the harshest conditions. Sizes: XS, S, M, L, XL, XXL Weight: 490 g / 1 lb 1.3 oz Fit: Regular Fit, Hip Length, with e3D patterning, Centre back length: 78 cm / 30.75 in Activity: Ice Climbing / Alpine Climbing ALPHA Lightweight, minimalist climbing and alpinism products that protect from alpine environments. SEVERE WEATHER Most durable materials and weather protection, for prolonged exposure to severe conditions. ALPINISM AND CLIMBING Climbing equipment designed for efficient movement and protection in alpine environments. GORE-TEX Waterproof, windproof and breathable textiles that offer fully protective environmental shelter.