Adventure Med Kits 00067601: Ben\'s Clothing and Gear insect treatment repels and kills biting insects on contact, including ticks and mosquitoes that may carry Lyme disease and the Zika virus. Rugged and powerful, this bug spray turns the gear you wear and carry into an extra layer of insect protection. The 0.5% permethrin formula bonds to fabric fibers and lasts up to six weeks through several wash cycles. With enough insect repellent to treat four complete outfits or two sets of gear, you can take off on your adventure knowing you\'re prepared to fight off disease carrying insects with Ben\'s, the ultimate protector.