The Saxx Kinetic Train athletic shorts feature a semi-compression fit kinetic liner, integrated Saxx waistband with stretch drawstring, and on-seam pockets. A hidden zipper pocket and Saxx logo on the left seam complete the design. 8" inseam. Shell made from 100% polyester. Liner made from 90% nylon / 10% spandex.Order Small for waists 30-32, Medium for waists 33-34, Large for waists 36-38, and X-Large for waists 40-42.