Built for flash-storm protection, the 100% waterproof, super- breathable Helium II weighs an incredibly light 6.4 ounces. An ultra-compressible piece you'll never leave behind, it's so light and packs down so small you'll forget it's clipped to your harness until you throw it on to ward off a sudden mid-route downpour.. . This product will be shipped directly from Outdoor Research and will leave their warehouse in 2-3 business days. Eligible for UPS ground shipping only. Pertex Shield+. 2.5L. 100% nylon. 30D ripstop. Center Back Length: 28 1/2 / 72 cm. Weight: 6.4oz / 180g Avg. Weight for size L. Waterproof. Breathable. Fully Seam-Taped. Laminated Construction. Windproof. Lightweight. Adjustable Hood. YKK?AquaGuard Zippers. Zip Chest Pocket. Internal Pocket Doubles as Stuff Sack. Reflective Logos. Carabiner Loop. Single-Separating Front Zipper. Elastic Cuffs. Elastic Drawcord Hem. Imported.