ExOfficio Men's BugsAway Sandfly Lightweight Pants-Insect, Tick, Mosquito Repellent Permethrin Clothing 100% Nylon (Woven), 100% Polyester (Mesh) Imported These lightweight insect-repelling pants are great for transitioning from a casual lunch in town to hikes in the forest and anywhere protection from tick, mosquitoes and other bugs is your top concern Insect-repelling BugsAway apparel using Permethrin-based technology provides protection from mosquitoes, ticks, fleas, and other bugs; odorless/invisible built-in treatment lasts up to 70 washes Quick-drying and moisture-wicking fabric keeps you dry and comfortable Full inseam gusset with mesh ventilation system improves airflow and comfort Roll-up leg snaps provide comfort and versatility when the temperatures rise Back pockets with hook-and-lop closure, drop-in gadget pocket keep technology and other travel essentials secure Fixed waistband Drop-in gadget pocket on right leg Two back pockets with Hook and loop closure Indestructible button System