Arc'teryx uses a variety of cutting-edge materials to create packs for every condition, from the sun to rain. With this functionality in mind, choose from alternatives that are lightweight, breathable, and weatherproof to take you from everyday wear to strenuous hikes. Nylon and polyester-based materials are used to craft Arc’teryx packs. With an emphasis on durability, these materials enable the design to be enhanced for load stability, energy efficiency, and function.