These tough, stretch woven pants hold up on big walls or during tight tree skiing; they have no zippers or flaps to snag or chafe. They're also wind resistant, water repellent, flexible, quiet and packable. The fabric is a blend of 80% nylon, 17% polyester and 3% spandex. With drawcorded elastic waist, front mesh handwarmer pockets and rear security zip pocket. Made in USA.