Stay warm during alpine pursuits with the Oreus Aetherm™ insulated jacket, Mountain Equipment's warmest, lightest, and most compressible women's insulated jacket. Versatile, comfortable, and resistant to moisture, it's essential kit for alpine climbers and backpackers tackling tough conditions. Pack light without sacrificing warmth or comfort - the Oreus is a game-changer. Oreus Insulated Jacket - Women's