Incredibly soft and comfortable, the fully featured, body hugging Outdoor Research Essentia Tights are perfect for running, yoga, and more.. . . . . Lightweight, breathable, and wicking. Super soft heathered nylon, polyester, spandex blend. . . . Flat seam construction for chafe free performance. Low profile waist with wide waistband and drawcord closure. Hidden center back waistband pocket for cash, ID, and other necessities. Reflective logos and trim for increased low light visibility. Mid calf length .