Key features the Swift fabric is lightweight, moisture-wicking and has 4-way stretch pockets galore: secure zipper pocket on back waistband for cards and keys; two gel pockets for mid-race snacking the thick Luxtreme waistband won't dig in - muffin tops are for Seinfeld venting at the back of the skirt adds breathability and the pleats give you room to move built-in shorts made of moisture-wicking Luxtreme for maximum comfort sticky elastic on the hem limits stops your shorts from rolling up mid-run just say no to chafing with flat seams Tech specs designed for: run fabric(s): Luxtreme®, Swift properties: two-way stretch, moisture-wicking, chafe resistant, breathable liner: yes - Luxtreme front length: 12 1/4" back length: 13 1/4"