Bug free leggings is treated with insect Shield, an odorless invisible insect repellent formulated with permethrin. Insect Shield repels mosquitoes, flies, chiggers, ticks, ants and midges that might carry lyme disease, West Nile and Zika viruses, malaria or other insect-borne diseases. Formulated to last through 70 wash cycles. Permethrin has been successfully used in the United States as an epa-registered product since 1977, with an excellent safety record. This lightweight, quick dry, travel-friendly, moisture wicking leggings provides four-way stretch for comfort and mobility for changing temperatures. Details: UPF30 sun protection, elasticated waist for comfortable wear, crisscrossing pockets on both sides for valuables, legging fit and inseam approximately 17'' long. Material: Polyester, Spandex.