Airex Exercise Mat Fitline 140Airex Exercise Mat, Fitline 140, 55" x 24" x 0. 4" Exercise Mats from Airex are defined by their durable versatility. This Airex Fitline 140 Exercise Mat is a terrific entry level model that's built for long term training at home and a must have for floor exercises, stretching, flexibility and strength training. Comfortable and non slip, it is made from closed cell foam with an "integrally molded skin" for extra toughness. Extremely lightweight at