Duluth Trading Company Womens Size Small Light Blue Hoodie Pullover With No Fly Zone Insect Repellent Technology. Active ingredient is Permethrin that repels mosquitoes, ants, ticks, chiggers, flies, and midges. Active ingredient remains effective for 70 washings. In very good, preowned condition. See photos for approximate measurements. This is a lightweight, long-sleeved shirt with a hood. Perfect for the outdoors.