Brooks Nightlife 5" Shorts Women's Running Apparel : Brooks Nightlife 5" Shorts are a lightweight, comfortable way to stay visible in low-light conditions. These shorts are made of a soft ripstop polyester material that features DriLayer Seal and DryLayer Bolt to keep you cool and dry. 5" inseam. Semi-fitted style. Attached sweat-wicking mesh brief. Zippered security pocket at center back waist. Internal drop-in pocket at front right.