Canada Goose's Mantra Parka is the jacket normally used by workers on oil platforms - where weather and winds are usually brutal. Even in temperatures going as low as -60C, the jacket will protect you from the cold. The Canada Goose Mantra is one of the most heavy-duty jackets ever made by Canada Goose Jacket. With its long fit, storm-hood, extra linning filled with down insulation, solid zipper, elastic cuffs and a pair of air-activated Grabber warmers, it is ready for the coldest weathers. Canada Goose Sale.