Technical details (Measurements from a size M): 1 1/2" Waistband. 5 5/8" Side Length. 88% Poly / 12% Spandex. Quick Dry. 4 Way Stretch. Microfiber. Contour Pouch. Retains shape through wash & wear. The soft microfiber stretches t form a smooth fit that molds to the body's contours. Quick Dry technology allows the body to stay dry and cool for ultimate comfort.