Galvin green bay windstopper jackets uses thermal insulation properties to keep you warm extremely high level of breathability with the ability to transport moisture away from the body with the unpredictable weather here in the uk the galvin green collection of windstoppers provide a great alternative to a waterproof for those days when you never know quite what the weather will do it also has two zipped pockets at the front and a chest pocket for extra storage and security its light and ext