Vintage nylon two piece jogging/warm up suit for Ken doll, by Mattel, from the late 1990s.  Outfit measures 11 inches long and will fit any 12 inch fashion doll.  Yellow with white and black trim.  Elastic waist on pants and velcro closure in front of jacket.  Outfit is clean and in gently used condition.  Tagged, made in China.  No damages.