EPIC PERFORMANCE. Keep running with the Nike Epic Fast Tights. Stretchy materials and a supportive design combine with ventilation where you need it for cooling on the move. Stretch and Run: Nike Power fabric provides a range of stretch and support to help you power through whatever your sport or workout demands. Ventilated Miles: Mesh panels at the the back of both knees for breathability where you need it. Supportive Storage: Mid-rise waistband with an internal drawcord provides a supportive, adjustable fit. A zippered pocket at the centre back is large enough to hold your phone. Pocket at the front right stores small items. Pocket at the back left hip is large enough to hold a cell phone. Triangular gusset helps you move freely.