Details, Size & Fit. Recommended for running and training. Get The most out of your workout with The Nike Power Epic Running Tights. The wide, elasticised waistband and flat seams ensure a comfortable fit. Ourmodel. iswearing size small tights. She usually takes a Standard AU8/small size, is 5’9”(175cm)tall and has a 61cmwaist. Length: Inside Leg: 70cm; Front Rise: 22cm; Leg Opening: 22cm Fitted design Nike Power fabrication Wide waistband with internal drawstring Flat seams Reflective trims.Cold machine wash. fabric / material: NA.Materials: 86% Polyester & 14% Spandex.SKU: NI126SA43LJO.