At first glance, Impulse might appear to be just like any other umbrella, but take a look at its handle and you’ll spy something a little bit different. It’s enhanced ergonomic shape not only makes it feel natural and comfortable to carry for extended durations, but it also does double duty as a way to practice strength training! The expandable handle provides resistance so you can squeeze and repeat while you walk, giving your fingers, hands and forearms a workout while you