Swift fabric is lightweight, inherently moisture-wicking and has 4-way stretch the thick Luxtreme waistband won't dig in - muffin tops are for Seinfeld pockets galore: secure zipper pocket on back waistband for cards and keys; two gel pockets for mid-race snacking venting at the back of the skirt adds breathability and the pleats allow 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