Used a few times on a trip to a tropical island. Has Insect Shield technology binds bug-repelling Permethrin to the fibers for effectiveness that lasts up to 70 washes. I washed this only twice! Washed them before the trip and after. In great condition. Insect Shield insect-repellent apparel repels mosquitoes, ticks, ants, flies, chiggers, and midges (no-see-ums); odorless, invisible built-in treatment lasts up to 70 washes. LIGHTWEIGHT & QUICK-DRYING | Lightweight nylon fabric is quick-drying and abrasion-resistant PANTS & SHORTS ALL IN ONE | Pants convert to 7" shorts BUILT-IN SUN PROTECTION | Sun protection with an ultraviolet protection factor (UPF) of 50 MULTIPLE POCKETS | Pockets at the hip with right zippered pocket; Snap-closure back pockets