- adidas Womens' How We Do 7/8 Tights - Black SEVEN-EIGHTH-LENGTH RUNNING TIGHTS MADE IN PART WITH RECYCLED CONTENT. When you're piling up the miles each and every day, you need running tights as serious as your stats. To create these adidas AEROREADY tights, we asked runners like you to make a wish list, and then we got to work. They have a drawcord-adjustable waist so they won't slide down as the miles tick by. Moisture-wicking fabric and mesh inserts keep you feeling dry on warm days and faster runs. Details Tight fit Drawcord on elastic waist 79% recycled polyester, 21% elastane interlock Mesh inserts Moisture-absorbing AEROREADY Sweat-guard pocket Pre-shaped legs and seven-eighth length Reflective details Interlock Product colour: Black Product code: FM7643