Lightweight and insulated, the Havoc is the ideal layer for cold, wet, windy and frequently changing conditions. Highly technical, the Havoc features warm PrimaLoft Eco insulation behind a durable, weather-resistant and breathable WINDSTOPPER shell. Outdoor Research PrimaLoft Eco 60g Insulation . Gore Windstopper is windproof and water-resistant. Built-in stuff sack. Drawcord hem. Internal front-zip stormflap. Two zippered hand pockets. Zippered internal pocket with media port. Fully adjustable hood. Double-separating center-front zipper.