Designed to be lightweight and flexible, the Aero 5" Shorts keep you dry and cool so you can concentrate on your run. Features Lightweight stretch woven fabric is flexible and moisture-wicking for ultimate comfort. A back zip pockets lets you safely store phone, cards or keys. Reflective logos and trims on front and back hem provide 360-degree visibility in low-light conditions. Technical Specification 5" inseam short Lightweight stretch woven Brief liner Elastic waistband with internal drawcord Side pocket Back zip pocket Reflective logo and trims Slim Fit Quick drying fabric that keeps you cool perfect for Hot Weather Fabric Composition: Main: 100% Polyester; Liner: 88% Polyester and 12% Spandex Model wears a size Medium