Exercise comfortably wearing the Prana Gravity Pant. It is designed to offer optimum comfort with its use of polyester and spandex. The use of spandex in this pant ensures flexibility, allowing you to move around and indulge in various activities. With the fleece knit construction, this pant keeps abrasions at bay. The hidden pocket at the waistband lets you keep some small essentials close at hand. You can alter the length of this pant with the zipper at the bottom.