Designed to be lightweight and flexible, the Salomon Aero 5"" Shorts keep you dry and cool so you can concentrate on your run. LIGHTWEIGHT & FLEXIBLE | Wide, knit elastic waistband and lightweight stretch woven outer is flexible and moisture-wicking for ultimate comfort. ESSENTIAL STORAGE | A back zip pocket lets you safely store phone, cards or keys. BE SEEN | Reflective logos and trims on front and back hem provide 360 visibility in low-light conditions.