For the runner who needs versatile running shorts, the Nine Trails Shorts are made of a lightweight recycled polyester/spandex blend that breathes, wicks moisture and moves comfortably. Fair Trade Certified™ sewn. Patagonia Women's Nine Trails Shorts - 4" Features: Fluorinated DWR Spandex Recycled Polyester Fair Trade Odor-Control Additives bluesign® System