Who’s the airiest of them all? Meet our lightest insulated jacket yet: the Skyfill Outdoor Jacket. With plush PrimaLoft® ThermoPlume® insulation in a water-repellent four-way stretch shell, it warms like down but weighs less, moves with you, and insulates even when wet. Trail-ready features like water bottle bungee loops in the chest pockets make it the perfect cold-weather adventure partner.