Insect Shield is the first-ever EPA registered insect repellent apparel and gear, tested and proven to help prevent bug bites. Our revolutionary process bonds permethrin to fabric fibers, resulting in invisible, odorless and long-lasting insect protection. Insect Shield is the leading brand of mosquito and tick repellent clothing. Our apparel is registered to repel mosquitoes, ticks, ants, flies, chiggers, and midges (no-see-ums). Insect Shield pet clothing, tents, and blankets are registered to repel mosquitoes, ticks, fleas, and flies.