NIKE 4 Inch Woven Running Shorts Nike Dri-Fit - is an innovative fabric technology designed for great moisture management Flat-front elastic waistband with drawstring - for a perfect fit. Built-in briefs - with interior key pocket for storage of small items including keys, loose coins, etc. Contrast stripes at the side of the shorts. Reflective Swoosh design trademark on the left leg to help increase visibility in low light conditions.