Adidas Womens FR Long Running / Gym / Cycling Tights 100% Polyester Made out of 69% polyester and 31% spandex Elasticated waist with an adjustable internal drawstring fastening Lower zipped leg allows for easy on/off access over your footwear Breathable mesh panels on the back waist and back of legs offer ventilation Flat seams reduce friction and help to minimise chafing